Complacency is defined by the Merriam-Webster Dictionary as “self-satisfaction especially when accompanied by unawareness of actual dangers or deficiencies”. The unsafe acts (speeding, multiple lane changes, backing without looking, etc.) may be a result of drivers becoming complacent with their dri...
解析 The frequency of a progressive wave is the number of cycles of the wave that pass a fixed point per unit time. 频率是指单位时间内波形重复的次数。对于进行波来说,频率指的是单位时间内波形经过某一点的次数。 简而言之,频率代表了波的振动速度,它决定了波的音调或颜色。
(b)State what is meant by the terms(i) element,(substance that) cannot be split up/ broken down into (two or more) simpler substances by chemical means1...OR(substance) made of atoms with the same atomic number/ number of protons/ proton number.on number... [1](ii) compound,(two...
1 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 tha...
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 ...
Systematic sampling: In this method, only the starting point of the sample is randomly chosen. All the other participants are chosen using a fixed interval. Researchers calculate this interval by dividing the size of the study population by the target sample size. ...
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 ...
10 (a)(i) State what is meant by the acoustic impedance of a medium...1(ii) Dat a for some medi a are given in Fig. 10.1.medium speed of ultrasound acoustic impedance/ms-1/ kg m-2 s-1air3304.3 ×102gel15001.5 ×106soft tissue16001.6 ×106bone41007.0 ×106Fig.10.1Use dat a fro...
● Ripping is distinct from simple file copying in the way that the source audio is not formatted for ease of use in a computer file system. ● In addition, the copied data is often compressed with appropriate codecs. ● Once you converted your CD to a set of digital audio files (usual...
What is meant by ''Awaiting AE evaluation''? I submitted a paper to the journal. Initially, the status was ''Awaiting Reviewer Scores'', then changed to ''Awaiting AE Recommendation'', and now it is ''Awaiting AE evaluation''.