减少了…
His hit points decrease by 150 and his Strength by -14 without his armor.
他的生命骰降低了150，他的力量在没有装甲时也将- 14。
The accumulative coefficients of carps decrease by the rise of phenolate concentration.
鲤体随酚浓度升高，浓缩系数下降。
Alkaline treatment of wood flour makes flexural strength and flexural modulus of the composite decrease by 20.
木粉的碱化处理使复合材料的弯曲强度和弯曲模量分别下降20。
Its result is always the realization of the resistance decrease by enlarging space volume of karst passage way.
其结果都是以扩大岩溶通道的空间体积来实现阻力减小。
This five-year program stresses that energy consumption intensity per unit GDP shall decrease by 20% in the next five years.
强调未来五年单位GDP的能源消耗要降低20%。
"Decrease by" 是一个英语短语，常用于表示数量或程度的减少幅度。其核心含义是"减少了（某个具体数值或比例）"，强调减少的差额而非最终结果。以下是详细解释：
"The population decreased by 10% last year."
（人口去年减少了10% → 当前人口为原来的90%）
"Sales decreased by 200 units." （销量减少了200单位 → 剩余量未知）
"Sales decreased to 200 units." （销量降至200单位 → 剩余量明确）
"The temperature decreased by 5°C overnight."
"Production costs decreased by $1 million."
"His enthusiasm decreased by half after the setback."
"The noise level has decreased by 30 decibels."
"The budget was decreased by the government."
通过以上解析，可以更精准地在学术、职场或日常交流中使用该短语。
单词 "decrease" 意为降低或减少，"by" 则表示降低的程度或数量。以下是该单词的详细解释：
"Decrease" 通常作为动词使用，表示降低或减少。"By" 则用来说明降低的程度或数量。例如，"The temperature decreased by 5 degrees Celsius"（温度下降了5摄氏度）。
"Decrease" 指的是某物的数量或程度减少。例如，"The stock price decreased"（股价下跌）或 "The amount of rainfall decreased"（降雨量减少）。
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