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With the aid of the high-speed camera and the LC acceleration sensor,researches are made into the strike and the run-through of an object in the two-dimensional particulate matter under the effect of the acceleration of gravity q.

笔者用高速摄像和LC加速度传感器进行采集的方法研究了在重力加速度g作用下的物体在二维颗粒床中的撞击和穿透过程。

First of all, based on the aid of AIS (Automatic Identification System), which can give us the target ship's accurate data and will implement in 2002, we study own ship's relative motion to target vessels, define DCPA and its sign, give mathematic model of collision avoidance, produce the optimal opportunity and action taking of collision avoidance, and obtain a graph of action-taking.

论文首先在2002年将要开始实施的船舶自动识别系统所能提供的准确目标船信息的基础上，研究本船相对于目标船的运动，定义DCPA的大小和符号，推导出船舶避碰数学模型，给出船舶最佳避让行动与时机，得出避让行动曲线图，并且明确最佳避让行动时机不是某个点，而是一个时间段。

To determine the value of US in diagnosis of patients admitted with acute appendicitisand whether the sensitivity of US could be increased with the aid of Alvarado scoring system.

为证实超声对急性阑尾炎诊断价值及应用Alvarado评分法对提高超声诊断急性阑尾炎敏感性的价值，将255例以"急性阑尾炎"收住院患者，轮流分入对照组(127例)和研究组(128例)。

Thank God, I can sit and I can stand without the aid of a furniture warehouse. What man but a philosopher would not be ashamed to see his furniture packed in a cart and going up country exposed to the light of heaven and the eyes of men, a beggarly account of empty boxes?

这正如一个人把所有陷饼的机关都缚在他的皮带上，他搬家经过我们放着绳子的荒野时，不能不拖动那些绳子，——拖到他自己的陷饼里去了。

Wireless video passes have the aid of together business, the He of maritime space of competition of abstruse sail contest that we can view 100 thousand mus of area in real time is whole the circumstance of abstruse sail place, caique of this Zai Olympic Games still is the first on match history.

借助无线视频同传业务，我们可以实时观看到10万亩面积的奥帆赛比赛海域和整个奥帆场馆的情况，这在奥运会帆船比赛历史上还是第一次。

Of those swimming creatures that appear to have feet, as is the case with the molluscs, these creatures swim by the aid of their feet and their fins as well, and they swim most rapidly backwards in the direction of the trunk, as is the case with the cuttle-fish or sepia and the calamary; and, by the way, neither of these latter can walk as the poulpe or octopus can.

对于刚刚出现脚的动物，如同软体动物的情况，这些动物游泳同样是利用它们的脚和鳍，而且它们大多向主流的相反方向移动，如同乌贼和枪乌贼。并且，顺便说一句，后来介绍的这些动物都不能象章鱼一样行走。

Second, On the basis of analysis of density distribution of sequence points on the chaotic orbit of one-dimension chaotic mapping, a mutative interval chaotic optimization algorithm is presented in search for the solution optimums of the non-linear constrained problems with multi-variables and multi-peak values. With the objective function probability measurement approaching a limit 1, the convergence of the algorithm on the global optimal solution is proofed by aid of Chebyshev inequality.

二、基于一维混沌映射混沌点集的概率测度分析，提出了一种适于解决多变量多峰值非线性约束问题的新的混沌优化算法——变区间混沌优化算法，并应用切比雪夫不等式论证了算法依概率收敛于全局最优解。

B+ z6 x. p2 h4 n; j', O4 As a choir of Hogwarts students sing "something wicked this way comes," the 90-second trailer quickly flashes through key scenes in the "Prisoner of Azkaban" storyline: Harry is whisked away by the Knight Bus that comes to the aid of wandering wizards, the notorious prisoner Sirius Black escapes from Azkaban, Neville dresses potions master Snape (or a magical image of him, anyway) in woman's clothes and the creepy soul-sucking Dementors make their first appearance.

i {% W A* g 片长为90秒的预告片在霍格沃茨魔法学校学生的歌声中开始，向影迷们展示了《阿兹卡班的囚徒》中的关键情节：哈利被帮助受困巫师的骑士公共汽车吓倒；从阿兹卡班越狱的臭名昭彰的小天狼星布莱克(Gary Oldman；纳威把魔药课教师斯内普变成穿着女人衣服的模样；以及令人窒息压抑的摄魂怪首次亮相。

Carcinoembryonic antigen in gastric juice as an aid in diagnosis of early gastric cancer.

免疫聚合酶链反应技术的建立及其对胃癌细胞上MG7-Ag的检测。

So the king came into Italy with the aid of the Venetians and the consent of Alexander, and he was no sooner in Milan than the pope got men from him for a campaign in Romagna, which was granted to him because of the reputation of the king.

他 刚一抵达米兰，教皇便向他借兵出征罗马格纳。慑于法王的威力，罗马格纳拱手称臣。就这样，瓦伦蒂诺公爵征服了罗马格纳，并打败了科隆纳家族。之后，他要巩固胜利成果并继续向前推进，就要遇到两重障碍。

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。