These genes showed variable expression levels in different tissues and organs of rice, and most of them were induced by abiotic stresses.

这些基因在水稻不同组织器官具有不同的表达水平，大部分受非生物胁迫诱导表达。

youdao

The default clause specified can be either a constant, a special register, another global variable, an expression or the keyword NULL.

默认指定的子句可以为一个常量、一个特殊的寄存器、另一个全局变量、一个表达式或关键字 NULL。

youdao

You can declare a local variable simply by creating an expression containing only the name of the variable, and assigning a value to it.

只需要创建一个仅包含变量名称的表达式，并为其指定一个取值，就可以声明一个局部变量。

youdao

So don't underestimate the value for the next week or two of just inserting printf statements into your code temporarily just to print out what the value of some variable is, or some expression is, so that you can just do a sanity check.

所以不要低估下一两周的重要性,虽然我们只将“printf“语句暂时地植入到,我们的代码中，只是用来打印一些,变量或表达式的值，所以你们提醒一下自己。

哈佛公开课 - 计算机科学课程节选