查询词典 impact

However, if we accept the hypotheses of formation of some of the mare basins by impact, the maximum lunar impact crater diameter is probably as large as 650km.

然而，如果我们接受了月球表面阴暗盆地是由撞击产生的假设，那最大的月球撞击坑直径可能会是650公里。

Risk control procedures,including risk categories,probability definition and impact,and probability and impact matrix

风险控制程序，包括风险类型、概率的确定与后果，以及概率与后果矩阵。

Glass fibers increase the impact toughness of brittle matrix, but reduce the impact toughness of ductile matrix.

复合材料的断裂破坏机理也因界面粘合的差异而不同，而表现出不同的断裂形貌。

Probability and Impact Matrix Tool 概率与影响矩阵 A common way to determine whether a risk is considered low, moderate, or high by combining the two dimensions of a risk: its probability of occurrence, and its impact on objectives if it occurs.

将风险的两个方面，即风险的发生概率以及一旦风险发生对目标产生的影响结合起来考虑，以判断风险属于较小、中等还是较大的一种普通方法。

Based on the low-velocity impact test, 4 major modes of low-velocity impact damage including delamination and matrix cracking were taken into account FEM simulation.

从z-pin增韧复合材料层合板低速冲击实验出发，考虑了复合材料层合板在受低速冲击时的分层及基体开裂等四种损伤形式，引入适当的损伤判据，对T300/3234碳纤维树脂基复合材料层合板的低速冲击损伤过程进行有限元模拟。

The evaluation criteria for aircraft survivability are proposed from the two aspects of susceptibility and vulnerability, and the effects of aircraft survivability technologies on the evaluation criteria are analyzed in a technology impact matrix. The bargaining weight method is proposed to calculate the weighting factors of the evaluation criteria, and the impact matrix is used to evaluate the effects of survivability technologies on aircraft survivability enhancement.

首次从敏感性和易损性两个方面提出了飞机生存力的评价指标体系，构建了生存力设计技术对评价指标的影响矩阵；用协商定权方法确定各评价指标的权重，并通过影响矩阵评价生存力设计技术对提高生存力的作用。

Combined with the investigation of SEM and other methods of interface analysis, we found that in the impact fracture process, matrix deformation, fiber pull out, interface debonding between matrix and fiber, interface friction induced by debonding, new surface appearance and so on all can absorb impact energy.

此外，研究还发现G系列坯料即使烧结至1500℃，在熔剂的配入量达不到50%情况下无法烧结，这一试验结果能用颗粒体随机堆积气孔率和本文提出的聚合体颗粒堆积的分数维结构模型得到解释。

It sets up mathematical model of impact point prediction simulation statistics and can estimate probability density distribution matrix of missile impact piont and effectively improves estimated accuracy of missile dropping area.

该方法通过对导弹飞行过程中发生坠落故障模式的分析，确定每种模式情况下导弹落点的散布规律，并建立起落点预测仿真统计数学模型，可得到导弹落点概率密度分布矩阵的估计。

And the inverse result of kinematics for the shield hinge equipment is obtained and one-degree inverse coefficient matrix of the impact, two-degree inverse coefficient matrix of the impact and the expression of velocity, acceleration for every component are calculated, all of these lay the foundation for the following kinetics of the shield hinge equipment.

研究盾构铰接装置的能控性问题，讨论铰接液压缸的驱动力对切口环上末端力的控制能力，通过盾构前体切口环的末端力能控性，理论证明盾构铰接装置在土层中工作时切口环的可行运动与不可行运动，并得到可行运动的运动特性曲线。

Finally, by studying on using saw blades with different matrices cutting different stones, a basic compatibility rule about matrices and stones was concluded, say, when cutting a hard, high quartz and high alkalifeldspar content and strong bonded stone, a high impact strength and low wear-resistance matrix should be chosen; otherwise, when cutting a soft, low quartz or no quartz content and weak bonded stone, a high bending strength, low impact strength and high wear-resistance matrix should be chosen.

最后，通过对不同性能结合剂的锯片切割不同石材的切削寿命和磨损状态分析，得出了锯片结合剂性能与岩石性质之间的一般性匹配原则：即对于坚硬的、高石英含量的花岗岩，宜选用高强度、高冲击韧性、低耐磨性和对金刚石具有良好粘结性能的结合剂；对于低硬度、无石英或低石英含量的易切削花岗岩，宜选用高强度、高耐磨性和低冲击韧性的结合剂。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。