Accordingly, the two different lever classes pre-experiment have no marked difference or they minimize the difference pro-experiment.

试验前有差异的两个班，在试验后没有显著差异或差异度减小。

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Objective To explore the active constituents in different parts from the root, stem and leaf of Zantedeshia aethiopica by pre-experiment.

目的通过预试验，研究马蹄莲根、茎、叶三个部位可能的化学成分，以寻找有效成分的主要存在部位。

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Therefore, based on the principle of the dissolution in the similar material structure, the better solvents were firstly decided through pre-experiment.

为此，根据相似相容原理初步试验筛选出结晶分离用较佳溶剂。

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How will James react, if he finally collects the one goal that has eluded him, that has hovered over his head from the start of this contentious Miami experiment no, check that, since he entered the league, a pre-lionized high schooler?

WSJ: NBA Finals: Miami Closes In, and It's Personal