利用人工神经网络技术设计了一段式计算路侧道路交通污染物浓度的模型。

A model was developed to estimate the traffic pollutant concentrations along roadside in one step with artificial neural network technique.

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通过大田试验研究比较了营养袋假植苗与一段式漂浮苗移栽后生长发育、叶绿体色素和经济性状的差异。

In this research, tobacco development, content of chlorophyll and economical character were considered between nourishment-bag temporary planting seedling and float seedling.

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特别需要指出的是已有的文 献数字显示，一段式冷却的猪肉干损耗为2.1％左右，高者达 2.3％；

The existing document figure shows, which is particularly pointed out, that the shrinkage losses of the one phase cooling pork is about 2.1% and higher up to 2.3%;

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