电子书倒底值多少钱仍存争议。 而出版商辩称印刷、分销书籍的成本只占总成本很小的一个比例。
Publishers argue that printing and distribution represents a small proportion of the total cost of making a book.
一个涡桨可以比其他的飞机发动机多处理一些气流，因此在低速时，无论给定的燃料占总量的比例是多少，都会产生最大的推力。
A turboprop handles a larger airflow than any other aircraft engine and so (at low speeds) generates the largest thrust for any given rate of fuel consumption.
研究生招生考试费多少？各科目总分及占总分比例？
How much does graduate student entrance exam expend? Each course total cent and hold total cent proportion?
研究生招生考试费多少？各科目总分及占总分比例？
How much does graduate student entrance exam expend? Each course total cent and hold total cent proportion?
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