匹配负载阻抗之传输线上无反射.No reflection will appear on a line with matched load.研究弱激光驻波场中的无反射势阱.The reflectionless potential well affected by a standing laser field is studied.光线被黑面吸收(而无反射).Light rays are absorbed by black surfaces...
从1066年到17世纪，狐狸一直被视为害兽。From 1066 to the 17th century the fox was looked upon as vermin.它们的祖先是被培养来捕猎害兽.Their ancestors were bred to hunt and kill vermin.对农民来说,野兔是一种害兽,因为它吃幼嫩的作物.To a farmer a rabbit is vermin because it eat...
Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.结论: 窝沟封闭能有效预防窝沟龋的发生.A universal UV sealant to protect all acrylics, wraps and gels.保护所有水晶甲 、 假甲和凝胶甲的常用紫外线光疗密封剂.Conclusion: Fibri...
They have put considerable pressure on the Government to toughen its stance…他们已对政府施加了相当大的压力，要求其采取强硬立场。He argued that the economic recovery had been facilitated by his tough stance.他认为他的强硬立场推动了经济的复苏。He has changed his sta...