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【简答题】
在某些半导体器件的局域范围内存在着极强的电场，使电子温度T e 与晶格温度T L 不相等(磁场效应)。设μ n 、τ e 分别为电子迁移率和能量时间。
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举一反三
【单选题】Which of the following expressions represents the core value of the mainstream society in the US?
A.
“Life, liberty, and the pursuit of happiness.”
B.
“Blood, sweat, and toil.”
C.
“Freedom, equality, and spirituality.”
D.
“Eat, drink, and be merry.”
【简答题】Expressions in use Fill in the blanks with the expressions below. Change the form where necessary. Each expression can be used only once. (6 expressions) The time has come for sth. give sb. the axe be...
【简答题】成年人生长素分泌过多会导致（ ）
【单选题】Which of the following expressions is mainly used in American English and in the US and other countries affected by America.
A.
Valuation, value, valuer
B.
Assessment, rate
C.
Appraisal, appraise, appraiser
D.
Evaluation
【简答题】Share with us a story or a piece of news that touched you most using the words and expressions in the language bank. 要求语音答题!
【简答题】Expressions in use Fill in the blanks with the expressions below. Change the form where necessary. Each expression can be used only once. (5 expressions) make a pact in exchange for pears of wisdom se...
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