从复变函数理论出发，利用辐角原理、最大模原理、最小模原理给出代数学基本定理的几种新的证明方法。

This paper uses several methods of complex functions theorey to prove fundamental theorem of algebra by argument principle, maximum modulus principle and minimum modulus principle.

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线性减光系统使积分球出射口的辐亮度从最大值按照10%递减，线性输出10档辐亮度值。

The linear dimming system makes the radiance of the sphere exit portal decrease prorata 10% from the maximum radiance.

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三大航空集团的网络从单一枢纽为主向多枢纽转变，轴辐式结构更加明晰；

The networks of the "Big Three" are now shifting from single hub to multi-hubs and the adoption of hub-and-spoke structure becomes more obvious.

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