The left - shift operator shifts its first operand left by the number of bits specified by its second operand . expr count 左移位運算符( < < )根據第二個操作數指定的位數將第一個操作數向左移位。
Self - dicipline will teach you to therow your willpower behind either reson or emotion and amplify the intesity of their expr ion 自律會教導你的意志力作為理性和情緒的后盾,并強化二者的表現強度。
The unsigned right - shift operator shifts its first operand right by the number of bits specified by its second operand . expr count 無符號的右移位運算符( > > > )將第一個操作數向右移動第二個操作數指定的位數。
The successful construction of pcusaib4 and pcusaib ^ vector is the key foundation of si gene expr essed in maize Ibvs1基因玉米高效表達載體的成功構建將為進一步進行ibvs1基因在玉米中的表達和免疫保護性研究打下了基礎。
百科解釋
expr is a command line Unix utility which evaluates an expression and outputs the corresponding value. It first appeared in Unix v7 as a standalone program, and was later incorporated into the shell as a built-in command.