衰減的英文：
to weaken
to attenuate

參考例句：
  • The nonlinear wave shape degenerates to a sinusoidal wave
    非線性波形衰減成正弦波。
  • The tide was near the turn and already the day was on the wane(James Joyce)
    潮水即將退去，白晝已在衰減(詹姆斯·喬伊絲)
  • In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration
    在苯或乙酸乙酯溶液中其衰減速度隨甲基丙烯酸甲脂濃度呈直線地增大。
  • A specimen which is much thicker than the penetration depth decays exponentially
    一個比穿深透度厚得多的樣品，按指數(shù)律衰減。
  • For a target of any thinkness, the undeflected flux diminishes exponentially with thickness.
    對具有任意厚度的靶，無偏折的通量隨厚度呈指數(shù)規(guī)律而衰減。
  • Decaying with time, especially as a simple exponential function of time.
    瞬變的隨時間延續(xù)而衰減的，尤指作為時間的一個簡單的指數(shù)函數(shù)。
  • Inverse linear attenuation of light
    線性衰減
  • His power has begun to set.
    他的權(quán)勢已開始衰減。
  • Attenuation of light is in the form of absorption.
    光是以吸收的形式衰減。
  • Yet some form of attenuation is mandatory.
    然而有些衰減形式是必須采用的。
weaken是什么意思：
v. 使虛弱，使衰弱；削弱，減弱；畏縮，動搖
  • Ministerial resolve has weakened noticeably.
    部長決議明顯緩和。
  • The outflow weakens the dollar.
    資金外流削弱了美元。
  • You cannot strengthen the weak by weakening the strong.
    削弱強者不能使弱者變得強壯。
  • A rise in unemployment symptomatic of a weakening economy.
    失業(yè)增加是經(jīng)濟蕭條的表現(xiàn)
  • The currency of that country is weakening on foreign exchanges
    那個國家的貨幣在外匯市場上疲軟。
attenuate是什么意思：
v. 使變稀薄，使變細，使減弱
  • crustal attenuation
    地殼變薄作用
  • Attenuation of light is in the form of absorption.
    光是以吸收的形式衰減。
  • We are asking a network or system to attenuate certain frequencies
    我們正在要求一個網(wǎng)絡(luò)或系統(tǒng)去壓制某些頻率。
  • The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.
    由于衰減或失真使得信號變得不能使用的那個退化點。
  • Attaching strings to your offer will attenuate your chance to sell off the goods
    在你們的報盤上增加附加條件就會減少你們售出貨物的機會。

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