The reason has to do with variable scoping; see the Sidebar for a full explanation.
原因与变量的范围有关；参阅侧栏中的完整说明。
Drag to add a metro line shape with variable curve.
通过拖动添加具有可变弯道的地铁线路形状。
Control of a flexible robot arm with variable sections is studied.
研究了柔性变截面滑移式机械手臂的控制。
Objective: To study a bivariate risk model with variable premium rate.
前言：目的研究一类可变保费的双险种风险模型。
This method is suitable for the system with variable temperature and pressure.
压力项因子的引入，使得该方法能够适用于温度、压力变化的体系。
Host fan with variable frequency control, steady speed, low power, accurate and reliable.
主机风机采用变频控制，调速平稳、省电、准确可靠。
Host fan with variable frequency control, steady speed, low power, accurate and reliable.
主机风机采用变频控制，调速平稳、省电、准确可靠。
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