frication
n. 摩擦；
例句：The static frication coefficient does not simply decrease with the increase of load.
静摩擦系数不是简单的随载荷的增加而减小。
同义的单词：
attrition n. 摩擦；磨损；消耗；
例句：
Attrition is another scenario to consider.
削减是要考虑的另一种情况。
Peasants were the pawns in this war of attrition.
农夫们成为这场消耗战的被人利用的棋子。
The attrition rate at Airbus China is low, at 3%.
空客的自然减员很低达3%。
Yet discipline is poor, and the attrition rate high.
但他们的纪律差，流失率高。
Staffing: Additions and attrition among development staff.
人员安排：开发人员中附加和消耗。
It IS not so much a takeover battle as a war of attrition.
与其说这是一场收购战，倒不如说是消耗战。
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