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1·Swimming is an excellent cross-training activity for running because it's not weight-bearing, so it gives your joints (which take a lot of stress when you're running) a break.

游泳是非常棒的一种交叉训练方式。 因为它不需要承重，能让关节（在跑步的时候可是给承受了很大的压力啊）休息。

2·CROSS-CONTROLLING – incorrect weight-shift technique that cancels effect of pilots control inputs.

交叉控制–运用不正确的重心移动技术会抵消飞行员操控输入的效果。

3·Radial loading is the amount of weight placed vertically above the axle. Sitting on a trike places an axial load on the bearings. The drawing below is a cross-sectional view of a radial bearing.

径向负荷的重量是多少轴垂直放在上面。三轮车坐在一个地方对轴承的轴向负荷。下图是一个径向轴承截面的看法。

4·The cross sections in the region that includes control rod and part reflector are homogenized by the weight of fluxes.

按通量权重归并控制棒区（包括控制棒、空隙及石墨反射层的整个圆环）的均匀化截面。

5·It is well-known that four wheel driving can take full advantages of adhesion weight, and has great tractive power and strong cross country ability, but its shortcomings are short of studying on.

对于四轮驱动可充分利用粘着重量、具有牵引力大、越野能力强等优点是人所共知的，然而对于其不足之处却缺乏研究。

6·The cross sections in the region that includes control rods and part reflector are homogenized by the weight of fluxes.

按通量权重归并控制棒区(包括控制棒、空隙及石墨反射层的整个圆环)的均匀化截面。

7·We aimed to investigate the effect of body weight on the risk of colorectal adenoma both in cross-sectional and longitudinal analyses.

来自于日本东京大学的Yutaka Yamaji博士及其同事说：“我们目的是从横向和纵向上分析体重对结直肠腺瘤的危险性的影响。”

8·In this paper, minimum weight design of a hatch cover of box cross section is made by geometric programming. The analytic optimal solution is obtained.

本文采用几何规划方法对船舶的箱形剖面舱口盖进行最小重量设计，求得了解析的最优解。

9·Under the premise of the weight of the entire truss structure satisfying certain constraints, it achieved the minimum flexibility by optimizing the cross-sectional area of the bar.

采用的力学准则为满应变设计准则； 在整个桁架结构重量满足一定约束的前提下，通过优化各杆件截面积，达到整体柔度最小。

10·By optimizing the cross section sizes of the portal framed structure component, the weight of the portal framed structure had been decreased when it meets the requirement of strength.

通过优化门型架结构中各构件的截面尺寸，在满足强度要求的条件下达到了减轻结构重量的目的。