题目【题目】( )29. Noise in a room may be reduced by carpeting, curtains, and funiture, ___absork sound. B. of them all C. all of which D. of all which 相关知识点: 试题来源: 解析 【解析】 C 结果一 题目 ()29 .Nois ei n aroo mma yb ereduce db ycarpeting ,curtains ,an ...
结果1 题目 24. Noise in a room may be reduced by carpeting, draperies, and upholstered furniture, 3absorb sound. A. which they all B. all of which C. of them all D. of all which 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Several of the key points we will cover in this book: 1. Judgement is difficult because the world is a complicated, uncertain place. 2. The extent of these disagreements is much greater than we expect. 3. Noise can be reduced. 4. Efforts at noise reduction often raise objections and run...
It is shown that the latter as a whole may be reduced by using an active noise control system with both the pick-up microphone and the cancelling loudspeaker in the corner region of the room, well within a quarter wavelength to the three adjoining surfaces. The corner ANC system appears as...
Use in-camera noise reduction for long exposures! Reducing noise in Lightroom or Adobe Camera Raw Even with the best techniques, you’ll still end up with noise in your photos – at least on occasion. This is where post-processing noise reduction techniques come in handy!
【题目】B)“The noise made by boats ofwhale watching tourists may be causing communication prob-lems for.the animals," British researchers said last week.Whale watching is a popu-lar tourist activity in placeswhere groups of killer whales(虎鲸)live.Every day,dozensof boats filled with tourists...
The number of killer whales in this are a has been falling for several years, but scientists are not sure why.1. The passage mainly tells us D. A. the problems of whale watching B. how killer whales communicate with each other C. the reduced population of killer whales caused by whale...
But in fact they should be regarding sound as an opportunity to add to the experience of urban living, whereas at present they tend to see it as something to be avoided or reduced as far as possible, or something that’s just a job for engineers like the street drainage system. What’...
Disadvantages: 1.For some low-frequency noise, the isolation effect is not good. 2.The effect of passive noise cancellation will be reduced in the vehicle or engine room. Active Noise Cancellation (ANC): Active noise cancellation is a method of noise reduction. The propagation of sound is rea...
Name the type(s) of noise that can be reduced by decreasing the temperature of measurement.Question:Name the type(s) of noise that can be reduced by decreasing the temperature of measurement.Noise:This is a very common characteristic that occurs as a result of any...