Add an instant force impulse to the rigidbody, using its mass.

添加一个瞬间冲击力到刚体，使用它的质量。

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They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.

然后他们从细菌中提取出dna，利用高解析二次离子质谱技术分析了其中的化学组成，发现DNA中也含有砷。

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This paper presents a new method of identifying the mass of free flying space robot body using multilayer feedforward neural network based on its attitude disturbance characteristic.

根据空间机器人姿态干扰特性，本文提出了利用多层前向神经网络来辨识自由飞行空间机器人本体质量的算法。

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He said the next stage was to confirm its exact identity using mass spectrometry and nuclear magnetic resonance analyses to produce it chemically on a larger scale.

BBC: Maggots could help in MRSA battle

The big push for AONE is the potential for using its technology in hybrid electric and electric cars as the cars start to be mass produced.

FORBES: Watching AONE For A Bottom

Its clear that strength training using weight machines, free weights or resistance bands can help build and preserve muscle mass and strength.

FORBES: Why Strength Training May Help You Live Longer