相关知识点: 试题来源: 解析 在波的上下文中,位移是指介质中的粒子从其平衡位置移动的距离。 在波的传播过程中,介质中的粒子会围绕其平衡位置振动。位移指的是粒子在某一时刻偏离其平衡位置的距离,可以是正值或负值,取决于粒子相对于平衡位置的位置。反馈 收藏 ...
8 (a)State what is meant by a photon.*...…***...[2](b) A beam of light is incident normally on a metal surface, as illustrated in Fig. 8.1.light beam metal surface are a of cross-section1.3 ×10-5 m2Fig.8.1The beam of light has cross-sectional are a 1.3 × 10-5...
mean 意味着，意思是 be meant 这里是个被动语态，一般会出现在问题中 : by 后可接名词性结构What do you mean by ...是你不明白对方为何要做某事或为何这样说,询问意思或意图的句型,比如说 what do you mean by beauty?望采纳 谢谢 ...
这里meant 是mean 的被动语态.例(1):主动语态:“Forthrightness” means what?被动语态:What is meant by “forthrightness”?例(2):主动语态:Rita writes a letter.被动语态:A letter is written by Rita.例(... APP内打开 为你推荐 查看更多 What is meant by "believe me"? 什么是“相信我”?什么是...
That iswhat is meant by" failure is the mother of success " " 失败是成功之母 " 就是这个意思. 互联网 Hobson :What is meant bythe term Clearing House Association? 霍布森: 票据交换是什么意思? 互联网 What is meant bya longitudinal and transverse weld?
c. Close to buildings.d. Doing a very basic job. 相关知识点: 试题来源: 解析 a. Out in all kinds of weather. "Exposed to the elements" 指的是暴露在自然环境中,如风、雨、太阳等各种天气条件下。因此,正确答案是 a. Out in all kinds of weather.反馈 收藏 ...
(a)Explain what is meant by the term antibiotic.n*■■■[2](b)Explain why(i) only a few bacteri a grew in dish B compared with dish A,..……...[1](ii) more bacteri a grew in C than in B...……[1](c)Fig. 4.1 shows the effect of an antibiotic on a species of ...
(a) Why areZn2+salts white whileCu2+salts are blue ? (b) What is meant by 'disproportionation' ? Write the disproportionation reaction ofCu+in aqueous solution. View Solution Give an example of a disproportionation reaction ofF2? View Solution ...
网络何谓 网络释义 1. 何谓 何怎么组词_百度知道 ... 何若[ what]何谓[what is meant by] 何许[ what;what kind of] ... zhidao.baidu.com|基于3个网页 例句 释义: 全部,何谓 更多例句筛选
( c) what is a colloid :? Give two examples of colloids (or colloidal solutions ). Video SolutionStruggling With Is Matter Aroun...? Get Allen’s Free Flashcards Free ALLEN Flashcards | ShareSave Answer Step by step video, text & image solution for (a) what is meant by a solution ...