upan
- 网络U盘;优盘
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6.5 The actual mud density required will depend upan existing hole conditions .
实际的泥浆密度将取决于当时的井下情况。
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In order to study on heterogenous catalysis using LIF , we designed and built upan in situ laser-induced fluorescence spectroscopy setup .
基于以上背景，我们自行设计和搭建一台用于催化研究的原位激光诱导荧光光谱仪。
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The paper sets upan investment risk grey association identification model applying grey system method . The model can be used to evaluate investment risk and determine the main risk factors .
笔者应用灰色系统理论建立了投资风险灰色关联辨识模型，该模型能进行投资风险的识别，并确定其主要风险因素。