Sculptures must, for example, be stable, which requires an understanding of the properties of mass, weight distribution, and stress.
例如，雕塑必须是稳定的，这就需要理解质量、重量分布和压力的特性。
The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
While gyro and trail effects can contribute to stability, other factors such as the distribution of mass and the bike's moment of inertia can play a role as well.
Ruina说，虽然陀螺效应和轨道效应都有助于稳定性的提高，但是还有其他因素诸如质量的分布，车子当时的惯性。
Today the company has 23 global brands present in every distribution sector (hair salons, mass market, luxury, pharmacies) with diverse cultural origins (US, Italian, French, Japanese, Chinese...).
今天欧莱雅集团拥有23个源自不同国家的品牌(美国，意大利，法国，日本，中国等)，通过不同的渠道销售(美发沙龙，大众市场，高端市场，药房渠道)。
The new WHO guidance on nets recommends that campaign-like mass distribution strategies be complemented by delivery through routine health services to achieve and maintain high levels of coverage.
世卫组织关于蚊帐的新指导建议通过常规卫生服务进行发放，以此补充大规模分发战略从而实现并维持高水平覆盖率。
It's a good thing we didn't dwell too long on the typos — the mass distribution of information through printed books and papers has fundamentally reshaped the world.
幸好，我们没有揪着这些印刷错误不放——此后，信息通过印刷书籍和文件的大规模传播已经从根本上重塑了这个世界。
To expand distribution, it has recently hired brokers-who charge reduced commissions-and is considering mass advertising.
为扩大销售面，公司最近聘请了佣金较低的经纪人，并在考虑进行大众广告宣传。
But the carbon-footprint benefits of organic foods become less clear over larger distances because of the efficiency of the nationwide distribution systems for mass-produced foods.
但是碳足迹很少的有机食品如果运输到外地，则会失去其优势。因为在全国范围内运输批量生产食品的物流系统效率不高。
By looking at how the faint light from galaxies behind the cluster they were studying was distorted by that cluster, Dr Jee and his team created a map of the distribution of its mass.
通过观察他们正在研究的星团后星系发出的弱光如何因星团而扭曲，Jee博士和他的团队绘出一张星团质量分布图。
The corresponding generalized mass matrix depends on both the mass distribution and the geometrical constraint characteristics of the system.
相应的广义质量矩阵既决定于体系的质量分布，又决定于几何约束特性。
When a rotor rotates around its axis, the centrifugal force is produced due to the uneven distribution of mass relative to the axis.
任何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When the rotor is rotating around its axis, the centrifugal force is produced because of the uneven mass distribution with respect to the axis.
何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
The formation of roll-casting microstructure is mainly attributed to the deformation of un-solidified liquid phase, the varied distribution of mass and heat.
铸轧组织的形成主要是变形作用于未凝固的液相，引起质量和热量的分布状态发生改变所致。
The relations between material characters combining with loading-strength and fragment mass distribution are also discussed.
还结合壳体材料性质及载荷强度，对破片的断裂特征及尺度分布进行了讨论。
From a statistical point of view, the vibration of 70 ~ 80% is due to the cause of the rotor mass distribution.
从统计学来看，振动的70 ~ 80%是由于转子质量分布的原因引起的。
A distribution of air pressure and the mass of a given volume of air such that the air density is a function of only atmospheric pressure.
气压的-种分布情况，给定体积内空气质量，即空气的密度，仅仅是气压的函数。
A distribution of air pressure and the mass of a given volume of air such that the air density is not a function only of atmospheric pressure.
一种气压的分布情况，其中给定体积内的空气质量，即空气的密度，不仅仅是气压的函数。
Therefore it is considered that the decrement of gravity vertical gradient is caused by mountain mass distribution.
分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。
When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.
当聚合物的相对分子质量及其分布宽度相同时，随着岩心渗透率变异因数的增大，其聚合物驱采收率也随之增加。
Combining with the mineral spatial distribution and mass balance, it is concluded that anatexis is the key mechanism for the formation of migmatites in Dabie Core Complex.
最后结合混合岩矿物空间分布和质量平衡研究结果得出结论：大别核心杂岩中混合岩的主导成因机制是深熔。
Simulation results show that properly selecting mass distribution of thigh, shin and trunk can increase ZMP stability threshold and walking efficiency greatly.
仿真实验结果表明，合理选择大腿、小腿和上身的质量分布可以显著增加ZMP稳定阈度和步行效率。
The calculation of mass distribution characteristics of fuel in tanks is a difficult and complicated work.
飞机燃油质量分布特性计算是一项复杂困难但又是十分重要的工作。
The influence of pore size distribution on mass transfer in direct contact membrane distillation (DCMD) was investigated.
文中考察孔径分布的存在对直接接触式膜蒸馏跨膜传质速率的影响。
During the design of spacecraft cryogenic system, some factors must be considered, including space cooler lifetime, power distribution, mass and vibration isolation requirements.
根据寿命、电能分配，质量和防振要求，提出在进行航天器低温系统设计时需要考虑的因素。
It shows that the solution viscosity drops and the relative molecular mass reduces with narrow distribution.
结果表明改性栲胶溶液黏度下降，相对分子质量降低且分布集中。
Finally, the influences of the spandrel structure and the arch mass distribution mode upon the structural dynamic behavior are studied.
讨论了拱上建筑和拱圈质量分布模式对结构动力特性的影响。
The simulation is also made to describe the heat and mass distribution under the same environmental conditions between vegetation soil-bed and bare soil-bed.
同时，在相同环境条件下对有作物覆盖的土壤床和无作物覆盖的土壤床中的水热分布也进行了模拟比较。
The simulation is also made to describe the heat and mass distribution under the same environmental conditions between vegetation soil-bed and bare soil-bed.
同时，在相同环境条件下对有作物覆盖的土壤床和无作物覆盖的土壤床中的水热分布也进行了模拟比较。
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