be reduced by中文什么意思

降低了……

• reduce:    vt. 1.减少，减轻，节减；缩短， ...
• be reduced to:    使陷入，沦为
• reduced:    被还原的; 减低的; 减少的; 减缩 ...

例句与用法

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1. This charge is reduced by digestion with neuraminidase .
   这一电荷被唾液酸苷酶消化而降低。
2. The oversize is reduced by roll crushers to the correct size of coal .
   大粒煤再用对辊压碎机压碎到要求的粒度。
3. The dye is reduced by dehydrogenase enzymes released by viable tumour cells .
   染料被存活的肿瘤细胞放出的脱氢酶所还原。
4. The pulsations in the rectified current can be reduced by using a capacitor .
   经过整流的电流的脉动，能够利用一个电容器使其减小。
5. Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride .
   用六氢化邻苯二酸酐加入到邻苯二酸酐中，可使其放热反应减慢。