Sharp geochemical change belt reflects the geochemical characteristics of block margin of craton and so on, which reveals the boundary location more effective than geological survey.

地球化学急变带反映了克拉通边缘的地球化学特征，它可比地质观察更有效地揭示克拉通边界的位置。

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Margin maximization feature weighting is an effective dimension reduction technique, and it is generally based on weighting techniques and similarity measure to construct their objective functions.

间距最大化特征选择技术是一种有效的维数约减技术，一般是基于加权技术和相似性度量构造目标函数。

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Many design issues may be avoided by focusing on determining the correct level of design margin, the required FPGA resources and effective design partitions.

通过专注于确定合适的设计余量、必需的FPGA资源和有效的设计划分，可以避免许多设计问题。

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"Higher prices at peak times might make a difference to demand at the margin but would for the most part be a tax on commuters who have no effective choice over how or when they travel, " the MPs said.

BBC: Higher peak-time rail fares opposed

While effective, warfarin is incredibly tricky for doctors to use because there is only a tiny margin between giving too little and giving too much, risking uncontrolled bleeding.

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