第1个回答 2012-07-07
1distance是没有起点和终点,displacement是有的
2速度speed, velocity
速率speed, velocity快慢speed
自己看吧
3
名词常数constant常量constant恒量constant常项constant 形容词不断continuous, constant, unceasing, uninterrupted不变constant, unchanging常constant, common一贯consistent, persistent, constant忠实faithful, loyal, true, constant, staunch, leal坚贞faithful, constant勤diligent, frequent, regular, industrious, constant, hard-working绎constant, incessant, permanent, nonstop, unbroken, uninterrupted长年的constant, age-long, yearlong经regular, abiding, changeless, constant, immanent, ordinate勤密constant, frequent, regular
看翻译我真的不知道你意思,不能帮你
4
形容词平均average普通ordinary, common, general, average平level, flat, peaceful, average, calm, common平平average, mediocre 名词海损average, sea damage, casualty
看不出与
velocity
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