We shall now discuss some of the implications of these formulae.现在我们来讨论这些公式的某些内容.It will be useful to summarize the relevant Gaussian formulae.有必要概括地讲一下有关的高斯公式.Once multiple scattering becomes invoved simple formulae suc...
A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity.一种叫铀的金属发出一种射线, 后来玛丽·居里把这种现象称为放射性.Marie Curie's remains were exhumed and interred in the Pantheon.玛丽·居里的遗体被移出葬在先贤祠中.I&...
The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。Goldsmith has repaired the roof to ensure the house is wind-proof.戈德史密斯修理了屋顶，以确保房屋能够抗风。Ensure that the frame is securely fixed to the ground wi...