In other cases, a spherical model is used, and the primary distance calculation used is the great-circle distance (see Resources).

在其他情况下使用球面模型，所使用的主要距离计算为大圆弧长(参见参考资料)。

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The accuracy of the ICE spray calculation results depends on the models adopted for simulation of the(primary) and secondary breakup process.

内燃机喷雾模拟计算结果对选用的初级破碎模型、次级破碎模型有较强的依赖性。

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METHODS:After the primary and additional factors related to technic difficulties in root canal therapy had been wholly considered, the formula for calculation the difficulty coefficient was set up.

方法：综合考虑根管治疗术中操作相关的基本因素和附加因素，设计了难度系数的计算公式。

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However, if a country is running a fiscal deficit but a primary surplus, the calculation changes.

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But, of course, that pledge was delivered for a reason: a strategic calculation that the people of Scotland would prefer a primary focus upon the economy.

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At primary school, it says there should be more emphasis on arithmetic and that some topics, such as the calculation of fractions, volume and area should be covered earlier.

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