11152. [Class 40 (iv)] [Also in Group XXXVIII] Apparatus for directively transmitting or receiving sound or like energy comprises a strip or slab S of magnetostrictive or other material placed in the throat of a horn H having two of its walls parallel to each other and the other two ...
such as 和for example 的区别是，for example 是插入语，前后有逗号，这样就和but 和however 的区别一样，这个区别很明显。as well as 和as well的区别，因为as well as 有最后一个as 是介词，因此必须跟名词，而as well 没有介词，因此往往在句末，不跟名词，做副词，做状语使用 这是个人归纳...
A purely subjective definition of sound is also possible, as that which is perceived by the ear, but such a definition is not particularly illuminating and is unduly restrictive, for it is useful to speak of sounds that cannot be heard by the human ear, such as those that are produced by...
Class 11 PHYSICS “Sound is an example of a wave in three ... “Sound is an example of a wave in three dimensions." Why? Video SolutionStruggling With Travelling Wave...? Get Allen’s Free Revision Notes Free ALLEN Notes | ShareSave Answer Step by step video & image solution for “...
Because my roommate has some bad habits, for example, she was very loud like loud, heavy footsteps walking, eating is also a great sound. Also, people always call her a break, always throw garbage in the dorm. 翻译结果2复制译文编辑译文朗读译文返回顶部 ...
aPractising sounds,as you know,is difficult,the "th" sound for example.Choose words that begin with "th"and repeat them over again until you are comfortable with them.Let's try! This ,that,those,them,think,thought ,thin,thick.. 实践声音,你知道,是困难的,例如“th”声音。选择从“th "开...
Passage 2 Questions 6 to 10 are based on the following passage: There are two kinds of memory: shot-term and long-term. Information in long-term memory can be remembered at a later time when it is needed. The information may be kept for days
(b) How does sound from a sound producing body travel through air to reach our ears? Illustrate your answer with the help of a labelled diagram. Video Solution Struggling with Sound ? Get free crash course | ShareSave Answer Step by step video & image solution for (a) How is sound ...
a看、他们精神抖擞,听、他们口号声嘹亮 Looked, they are full of energy, listen to, their slogan sound resonantly [translate] achief executive of the eating disorders campaign group Beat 饮食失调竞选小组的首席执行官 摔打 [translate] a为了给他一个机会而重新选举 But for an opportunity elects for...
aOur test reports serve as the basis for the legally stipulated documentation of sound power levels, for example as part of the EU energy label for washing machines, dryers, dishwashers and refrigerators and freezers, and for general CE marking 我们的实验报告起依据作用对于酣然的功率电平的法律上...