Assume the United States adopts a tariff quota on steel in which the quota is set at 2 million tons, the within-quota tariff rate equals 5 percent, and the over-quota tariff rate equals 10 percent. Suppose the U.S. imports 1 million tons of steel. The resulting revenue effect of the tariff quota would accrue to:（  ） A: The U.S. government only B: U.S. importing companies only C: Foreign exporting companies only D: The U.S. government and either U.S.   importers or foreign exporters

The "quota system" is a system which ( ).

Which of the following explains the essence of quota sampling?

以下关于quota命令的说法，正确的有

关于伏羲资源调度quota机制描述正确的是？( )

使用 quota 可以让用户指定硬盘的储存限制，这包括：

An increase in the demand of the imported commodity subject to a given import quota will reduces the domestic quantity demanded of the commodity.

I have warned you not to do that __________. A: over and over B: over and over again C: again and over D: again and again over

quota中inode是限制用户的（）。 A: 块 B: 目录 C: 字节 D: 文件

求函数$y = {{1 + \root 3 \of {{x^2}} - \sqrt {2x} } \over {\sqrt x }}$的导数$y' = $( ) A: $ {1 \over 2}{x^{ - {3 \over 2}}} + {1 \over 6}{x^{ - {5 \over 6}}}$ B: $ - {1 \over 2}{x^{ - {3 \over 2}}} + {1 \over 6}{x^{ - {5 \over 6}}}$ C: ${1 \over 2}{x^{ - {3 \over 2}}} - {1 \over 6}{x^{ - {5 \over 6}}}$ D: ${1 \over 3}{x^{ - {3 \over 2}}} - {1 \over 6}{x^{ - {5 \over 6}}}$