成本估算主要有三种方法：专家判定法、类比法、参数模型法。
There are three main methods of cost estimation: expert method, analog method and parameters model method.
当前对网络性能分析主要有三种方法：分析方法、实验分法、模拟方法。
At present, there are mainly three kinds of methods to analyze the performance of the network: Analytical method, experimental method, and simulation method.
谷物加工主要有干碾压、蒸汽碾压和蒸汽压片处理三种方法。
There are three corn process methods, such as dry rolling, steam rolling and steam flaking.
纳米碳酸钙的表面改性技术目前主要有有机物表面处理、高能表面处理和无机物改性三种方法。
The surface modification of nanometer calcium could be conducted by using organic substance, high energy and inorganic substance.
纳米碳酸钙的表面改性技术目前主要有有机物表面处理、高能表面处理和无机物改性三种方法。
The surface modification of nanometer calcium could be conducted by using organic substance, high energy and inorganic substance.
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