减弱

• The heart sounds are muffled when the pericardial sac is distended with fluid .
  当心包充满液体时心音减弱。
• The night was clear and starlight, but the wind had not fallen .
  夜间天朗气清，星光灿烂，但是风势并未减弱。
• The current creates magnetic field that weaken and distort the signal .
  电流会产生磁场，从而使信号减弱和失真。
• The positive-going signal subtracts from the forward bias of the lower transistor .
  正向信号则使它的正向偏压减弱。
• Certain modes of vibration may be suppressed while others may be enhanced .
  某些振型可能减弱，而另一些则可能加强。
• For steel specimens the activity dropped by about a factor of 2 per day .
  对于钢试样，活性每天减弱了大约一个因子2。
• The avocado shows a typical loss of green color and a reduction in vegetative growth .
  鳄梨呈现典型的叶色褪绿及营养生长减弱。
• They fall off in different directions from the prism over and beyond its edges .
  它们在棱柱边缘之上并超出边缘向各个方向减弱。
• This is a weakening of this distributivity condition, called modularity .
  这个分配性条件可减弱为所谓性的条件，一个格称为模格。
• The attenuation of neutrons from a nuclear explosion involves several different phenomena .
  核爆炸中子的减弱包括几种不同的现象。