下凹的

The velocity,acceleration and time of a particle sliding down along a horizontally free concave surface are discussed.

对于一个质点从可自由移动的光滑的凹曲面上滑下的速度、加速度和时间作了一般性讨论，建立了相应的公式。

The dynamic response was analyzed with different structure . The tectonic deformation of the cartridge case, the distribution of the plastic strain, the flexing deflect ion and the distribution of the stress on dynamite were studied.

分析了采用不同弹壁加强方案的子弹药在抛撒过载下的结构响应情况，给出了子弹壳体变形和塑性应变分布图、弹壁最大内凹变形量随时间的变化曲线以及壳体内部装药应力分布。

The dynamic response was analyzed with different structure.The tectonic deformation of the cartridge case,the distribution of the plastic strain,the flexing deflection and the distribution of the stress on dynamite were studied.

分析了采用不同弹壁加强方案的子弹药在抛撒过载下的结构响应情况，给出了子弹壳体变形和塑性应变分布图、弹壁最大内凹变形量随时间的变化曲线以及壳体内部装药应力分布。

He works moving about in front of a concave Velleda screen, a secret alcove that is also a surface where this space age cave-man scrawls ideas and drawings, a sounding board for the creative intellectual.

他的作品走动前面的凹Velleda屏幕上，一个秘密壁龛，这也是一个表面的情况下太空时代洞穴人scrawls的想法和图纸，探测板的创造性知识。

It was shown that when the manufacturer considers retailer effort in establishing a quantity discount policy and it pre-commits its wholesale prices to a set of heterogeneous retailers, an optimum solution can be determined under concave profit function conditions.

结果表明，当制造商考虑零售商的努力，想建立一个数量折扣政策，和预先承诺一组不同零售商的批发价格时，在具凹性的利润函数条件下，能产生一个最佳的解决方案。

Theorem A.If the density function fhas the first derivative andlogfis a concave function,the MLE of〓for the two-sample location modelPL uniquely exists.

定理A。若密度函数f具有一阶导数并且logf是严格的凹函数，则对于双子样位置参数模型在PL的限制下，〓的MLE唯一存在。

In the experiment,a He-Ne laser with waist of 0.6 mm is utilized to adjusting a plane-concave resonator with a concave mirror in a radius of 50 mm at measuring distance of 889 mm.

实验使用束腰为0.6 mm的氦氖光，其后加一优化好的透镜系统，在889 mm的距离下，对凹面镜曲率半径为50 mm的平凹腔进行对准。

A new polygon filling method——polygon trapezoidal decomposition filling method——is put forward and realized. An analytical comparing between its time complexity and that of the classical methods shows that it is faster than scan-line algorithm in the case of complex concave polygon.

提出了一条新的多边形填充思路——多边形梯形网格剖分填充法，实现了该算法并将其时间复杂度与经典的有序边表算法进行了比较，说明该方法在复杂的凹多边形情况下处理速度较有序边表快。

On the plane, deposits mainly distribute on the sides of the depression, especially submarine sand body of downthrow block of Tugege fault and Hule fault and sand body inside the depression. Generally these sand bodies are of big area and thickness. They are also favorable objectives for further exploration.

在平面展布上，凹陷边部分布相对较多，特别是控凹断层--图拉格格断层下降盘和虎勒断层下降盘水下扇砂体、凹陷内部的长物源砂体，这些砂体一般具有面积较大、厚度可观的规模和特点，是下步勘探的较好目标。

In predispersed attapulgite,cryst al bundles are thin and long,and aggregate with each other staggeringly and loosely,leaving many gapping places.

本文利用电子显微分析技术对凹凸棒石粘土在四种不同状态下的显微结构进行了观察与研究，并分析了凹土的显微结构与吸附性和胶体性的关系。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了