減少了…
His hit points decrease by 150 and his Strength by -14 without his armor.
他的生命骰降低了150，他的力量在沒有裝甲時也将- 14。
The accumulative coefficients of carps decrease by the rise of phenolate concentration.
鯉體隨酚濃度升高，濃縮系數下降。
Alkaline treatment of wood flour makes flexural strength and flexural modulus of the composite decrease by 20.
木粉的堿化處理使複合材料的彎曲強度和彎曲模量分别下降20。
Its result is always the realization of the resistance decrease by enlarging space volume of karst passage way.
其結果都是以擴大岩溶通道的空間體積來實現阻力減小。
This five-year program stresses that energy consumption intensity per unit GDP shall decrease by 20% in the next five years.
強調未來五年單位GDP的能源消耗要降低20%。
"Decrease by" 是一個英語短語，常用于表示數量或程度的減少幅度。其核心含義是"減少了（某個具體數值或比例）"，強調減少的差額而非最終結果。以下是詳細解釋：
"The population decreased by 10% last year."
（人口去年減少了10% → 當前人口為原來的90%）
"Sales decreased by 200 units." （銷量減少了200單位 → 剩餘量未知）
"Sales decreased to 200 units." （銷量降至200單位 → 剩餘量明确）
"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."
通過以上解析，可以更精準地在學術、職場或日常交流中使用該短語。
單詞 "decrease" 意為降低或減少，"by" 則表示降低的程度或數量。以下是該單詞的詳細解釋：
"Decrease" 通常作為動詞使用，表示降低或減少。"By" 則用來說明降低的程度或數量。例如，"The temperature decreased by 5 degrees Celsius"（溫度下降了5攝氏度）。
"Decrease" 指的是某物的數量或程度減少。例如，"The stock price decreased"（股價下跌）或 "The amount of rainfall decreased"（降雨量減少）。
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