frequencies造句

For an initial service, a 10 megahertz-wide band of frequencies will be needed.
初始服務(wù)需要10兆赫寬的頻帶。

Of an electronic circuit or device; having an output proportional to input; amplifying or attenuating all frequencies equally.
說(shuō)明一種電子電路或器件, 其輸出和輸入成比例, 對(duì)所有的頻率都放大或衰減同樣的倍數(shù).

The electromagnetic spectrum covers an enormous range of frequencies and energies.
電磁波譜包括極大的頻率和能量范圍.

...UHF frequencies of around 900 megahertz.
大約900兆赫的超高頻率

Sound - cancelling works by analysing any unwanted frequencies and then producing counteracting ones.
通過(guò)分析所有不需要的聲音頻率,然后制造相應(yīng)的部分替代,這樣噪聲就消除了.

At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.
在低頻率(譬如每秒十次)時(shí), 所感覺(jué)到的是脈沖而非振動(dòng).

A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted.
高射電頻率或光學(xué)頻率的波陣面進(jìn)入大氣時(shí)受到畸變.

Twisted - pair conductors are sufficient if frequencies of interest are below a few hundred kilohertz.
如果信號(hào)頻率低于幾百kHz,則使用雙絞線就已足夠.

If the frequencies are low, this approach cannot be used.
若頻率很低時(shí), 這種方法就不能使用.

The characteristic values are the filter's middle frequencies and their bandwidths.
濾波器有中間頻率和帶寬這兩個(gè)特征值.

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