(b) Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness. View Solution What is loudness of sound ? What factors does it depend on ? View Solution What is meant by the quality (or timbre) of sound? On what factor does the quality...
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(3)：主动语态： 一辆车撞死了行人 被动语态： 行人被一辆车撞死...
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 ...
xxx is meant by 某某某 相关知识点: 基础积累与运用 句子 句式与句类 陈述句 试题来源: 解析 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吧.比如说:What is meant by “where there is a will,there is a way”?就是“. 分析总结。 bemeant这里是个被动语态一般会出现在问题中...
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 ...
3 (a)State what is meant by simple harmonic motion.[2](b) A trolley o f mass m is held on a horizontal surface by means o f two springs. One spring is attached to a fixed point P. The other spring is connected to an oscillator, as shown in Fig. 3.1.spring trolley spring osc...
Vermes, Sue
4 (a) State what is meant by the term polarisation when applied to a wave.[1](b)Explain why only transverse waves can be polarised.[2](c)Some films released have enabled viewing in three dimensions (3D). This can be done using two superimposed polarised images on the screen. One of ...
What is meant bythe problems of the baby class of 1991()A.large number of babies will be born after 1991.B.abies born in 1991 wont live a long life.C.The children of 1991 are not given good education.D.The world will be overpopulated.的答案是什么.用刷
In order to understand, however imperfectly, what is meant by "face", we must take (1) of the fact that, as a race, the Chinese have a strongly (2) instinct. The theatre may almost be said to be the only national amusement, and the Chinese have for theatricals a (3) like that ...