通过推导,找到双棱镜干涉实验中虚光源间距的最佳测量位置,从而减小间接测量引入的误差,提高测量精度.The optimum measuring position of virtual source in Fresnel double prism experiment is found by derivation.通过实验结果作出正交双棱镜干涉的光强度分布曲线.The distribution curves of light intensi...
他们有大量绝版的精选炉灶。They have a huge selection of discontinued cookers.石棉能用来使烹调用的炉灶绝热.Asbestos can be used to insulate a cooking stove.炉灶里的火对进来的冷空气加热.The fire in the furnace warms this cold air....
Miserable, and unexpectedly lonely, she went in search of Jean-Paul.内心痛苦、突感寂寞的她去寻找琼－保罗。Our speed over the ground was a miserable 2.2 knots.我们在接近地面时的航速仅为2.2节。Sheila was looking miserable.希拉看上去愁眉苦脸的。...