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Based on plate-beam structure and layer-plate model, the time delay on sloughing rockburst in mines is studied.

研究表明，在压应力集中区内，近自由表面的裂纹在低侧压时，将平行于壁面沿最大压力方向扩展，在一定的压力下，受自由表面的影响，这种扩展是不稳定的。

Namely in high-frequency unit use gradually incisive time resolution and lower frequency resolution, in order to moves the near observation signal quickly to change the part; In low frequency partially has the higher frequency resolution and the lower time resolution, in order to moves the far observation signal slowly to change partially, the wavelet this kind of signal analysing expression characteristic to analyzes the non- steady signal is extremely effective, suits the transient state anomaly very much which smuggles in the survey normal signal and demonstrates its ingredient, therefore by reputation for analysis signal microscope.

即在高频部分使用逐渐尖锐的时间分辨率和较低的频率分辨率，以便移近观察信号的快变部分；在低频部分具有较高的频率分辨率和较低的时间分辨率，以便移远观察信号的慢变部分，小波这种信号分析表示特征对分析非平稳信号是非常有效的，很适合于探测正常信号中夹带的瞬态反常现象并且展示其成分，所以被誉为分析信号的显微镜。

As it spruces up for next year's six-month-long World Expo, the metropolis of 20 million is transforming itself from a gritty industrial hub of crammed tenements into a showcase of glittering skyscrapers, quaint but quiet alleyways and meticulously landscaped parks.

随着它将自己打扮得漂漂亮亮迎接明年长达6个月的世博会，这座拥有近2000万人口的大都市正将自己从一个充斥着廉价公寓的工业中心转变为一个集炫丽的摩天大楼、精巧宁静的弄堂、景色宜人的公园于一身的陈列柜。

The technique of microwave sterilize and refreshing have overcome the uneven, no thorough, unsteady defects of microwave sterilize. It makes microwave sterilizes to be suitable to demand of stability , homoeothermic preserved , safe, hygiene and low cost for industrialization product. And it has got very satisfied effects after use.

其中微波杀菌综合保鲜技术克服了微波杀菌不均匀、不彻底不稳定的缺陷，使微波杀菌适合于工业化生产的稳定、常温保存、安全卫生、成本低廉的要求，经全国各地近百家企业的生产应用，取得了非常满意的效果。

The price increases of recent months have stemmed from a marked drop in stockpiles of oil, particularly in America.

价格上涨的近几个月来，来自于明显降低了库存的石油，尤其是在美国。

Then I totted up my carbon footprint from air travel in 2009. It is the equivalent of almost 50 tonnes of CO2 or more than the entire footprint of a typical British family of three.

接着我合计了自己2009年乘飞机出行产生的碳足迹，结果相当于近50吨二氧化碳——比一个英国典型的三口之家一年的碳足迹总量还要多。

Methods: Nerve injury and regeneration model was made by transecting rat sciatic nerve.

横切大鼠坐骨神经制作神经损伤再生模型，分别于造模后0、0.5、1.0、1.5、2.0、3.0、4、5、7、10、15d取近断端组织行电镜结构观察。

The animal models of denervated musculus triceps surae were establ ished by transecting right tibial nerve and commom peroneal nerve 1.5 cm above the knee joints.

于右股部膝关节上1.5 cm 处水平切断胫神经及腓总神经，近端反折缝合，建立小腿三头肌失神经支配模型。

The experiment shows that CSELF is potentially valuable for earthquake research and prediction. It is also found that the recorded electric and magnetic component amplitude of CSELF signal varies depending on the distance and azimuth of the observatories relative to the transmitter. These amplitudes decline with increasing distance between observatory and transmitter faster within some space extent than those outside the extent. It may be easier for magnetic components to have higher ratio of signal to noise than for electric component.

试验还发现，各地震台站和流动测点观测的CSELF信号的强度，与台站或者测量的电、磁场分量相对于发射源的距离、方位有明显的关系；发现在离开发射源的相对近区，场强随距离的衰减，比在相对远区更快；发现接收磁场信号比电场信号较易获得更高信噪比的数据。

The mod includes nine of your favorite characters who are able to duke it out using numerous beam attacks as well as close hand to hand combat.

玩家们可以使用在游戏人物里的9个最喜欢的角色之一进行攻击相当于格斗系列的近身格斗一样。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。