Library Support for nullable types, including conversion operators and arithmetic operators.

为可空类型提供类库支持，包括转换运算符和算术运算符。

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A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.

一个有用的单位转换器可以帮助您日常计算，包括面积，密度，能源，力，长度，质量，功率，压力，速度，温度和体积的转换。

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There are many potential USES for channel exits including auditing, security, compression, conversion, and so on.

通道出口有许多潜在的用途，其中包括审核、安全、压缩、转换等。

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The company discloses a number of environmental goals, including conversion to renewable energy.

FORBES: Environmental Reporting: A New Business Imperative

The area is subject to various overlapping concessions, including preliminary licences for conversion to palm-oil plantations.

ECONOMIST: Banyan

Rampant population growth and changes to the environment caused by humans, including the burning of fossil fuels and the conversion of nearly 43% of the planet's land to farms or cities, threaten to cause an abrupt and unpredictable shift in the global ecosystem, 22 scientists from five countries said in their paper.

CNN: STORY HIGHLIGHTS