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This article studies the topic to originate from the physical teaching, is aims at in the physical teaching the spring sliding block experiment to be unable in the foundation which does in the laboratory to compose.

本文研究课题来源于物理教学，是针对物理教学中弹簧滑块实验无法在实验室做出来的基础上撰写的。

Worked as Yang Lian by a steel nail spike head's quarter, the eunuch clique has been taken away his life, was actually unable to be deprived of his moral courage.

当杨涟被钢钉钉入头颅的一刻，阉党夺去了他的生命，却无法夺走他的气节。

The distribution of spark locations corresponding to certain potential differences are simulated numerically, which shows that it is unable to detect the definite spark location with two inputs.

四点输入情况下理论和仿真研究了放电点位置与电位差对V〓-V〓和V〓-V〓的关系，从而证明了四点输入可以唯一地检测出放电点位置；通过研究四点输入和三点输入的圆电极的情况，首次提出可以将放电点位置检测的电位差法推广到其它形状规则对称的电极上。

The North Korean People's Army skeleton 344th Tank Regiment, down to five Soviet-built T-34 tanks and apparently unable to negotiate Funchilin Pass, had been left on the low ground to fend for itself.

北朝鲜人民军的主力第344坦克团仅剩下5辆苏制T-34坦克，由于显然无法通过黄草岭关口，因此被留在低洼地区并进行了自我掩护。

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: P42DC American AMTRAK the railroad company P42DC skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train +2 compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose!

最新到货的正版香港NewRay品牌合金车模： P42DC 美国AMTRAK铁路公司P42DC型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+2节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: F7 American AMTRAK the railroad company F7 skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train + three compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose!

最新到货的正版香港NewRay品牌合金车模： F7 美国AMTRAK铁路公司F7型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+三节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: F59PHI American AMTRAK the railroad company F59PHI skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train +2 compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose !

最新到货的正版香港NewRay品牌合金车模： F59PHI 美国AMTRAK铁路公司F59PHI型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+2节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

At present, many tall buildings have been built in China because of the constant development of economy, a lot of large-scale civil buildings such as marketplace, office building, industrial building need long-span and heavy load structure. So the traditional prefabricate structure has been already unable to satisfy the constant increasing need because of the shortcomings of short-span and low intensity concrete. If we don"t change the performance of the former prefabricate structure, it will be very swift that the prefabricate structure will be eliminated. Besides, the commodity concrete"s high development, the technology of concrete pump sending popularization and the development of nobonded presterss technology accelerate the shrink of prefabricate structure.

当前，我国由于随着经济的不断发展，高层建筑大量兴起，很多大型民用建筑如商场、写字楼、工业厂房等楼面都需要大跨、重载的楼板结构，因此传统的预制板由于适合跨度小、混凝土强度低等一些缺点，已无法满足不断发展的需要，如不改进原有预制构件的材料性能，将很快被淘汰，而且由于商品混凝土的飞速发展、混凝土泵送技术的推广及无粘结预应力技术的发展更加速了预制构件的萎缩。

Unable to throw them away, Brian found a shoe box to put them in.

他把纸娃娃们一个一个从墙上取了下来。

The Japanese, by contrast, were shell-less, warm and sticky and unable to conceive of themselves other than in relation to family, village, workplace, superiors and inferiors, insiders and outsiders.

相较而言，日本人则是无壳的，温暖而粘潮，无法在家庭、村镇、工作单位、上下级及局内人与局外人的范畴之外确定自己的身份。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。