您要查找的是不是：
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- tuple variable 元组变量
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
- Returns the one-based rank of a tuple in a set. 以一为基返回元组在集合中的阶。
- Each tuple is a vector of members. 每个元组是一个成员向量。
- The tuple (object_id) is the key of the relation. 元组(object_id)是关系键。
- The tuple length is not currently checked. 相同,当前不检查该元组长度。
- Returns a member from a specified tuple. 返回指定元组中的成员。
- Returns the number of dimensions in a tuple. 返回元组中的维度数。
- An estimator is a random variable. 估计量是一个随机变量。
- A variable resister is called a rheostat. 可以调节的电阻器叫做变阻器。
- There are two ways to refer to a static variable. 有两个办法可引用一个static变量。
- Eurasian toad with variable chiefly green coloring. 欧亚大陆的各种主要为绿色的蟾蜍。
- Returns the one-based rank of a specified tuple in a specified set. 以一为基返回指定的元组在指定集合中的阶。
- This statement lets you update a tuple with a specific value. 此语句允许您用特定值更新元组。
