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- ostatic variable - ballast 变阻抗镇流
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- The ship was furnished with ballast. 船上装了压舱物。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- 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。
- The ballast placed in the ship can keep the ship steady. 放在船上的压舱物可以保持船的平稳。
- 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。
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使气球飞得更高。
- 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
- Arc lamps require a current-limiting ballast. 弧光灯需要一个限流镇流器。
- Not stabilized or properly stabilized by ballast. 不稳定的未用压舱物稳住的
- To fill(a railroad bed) with or as if with ballast. 铺沙石用或似用沙石铺（铁路路基）
- The rail beds well on the ballast. 铁轨在道碴上搁得很稳。
- The readiness of a vessel for sailing with regard to ballast, sails, and yards. 船的航行状态从船的压载、船帆和帆桁方面考虑看船的状况是否能够航行
- Do ballast lines pass through any cargo tanks? 有压载管穿过任意货舱吗?
- Are there anodes in the ballast tanks? 压载舱有阳极吗?
- An estimator is a random variable. 估计量是一个随机变量。
