Climate fluctuation is one of the primary factors which influence the variation of runoff and sediment.

气候波动是影响径流、泥沙变化的主要因素之一。

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Based on the supplying resources, ground water was considered as the primary resource to the main runoff in the freezing period.

封冻期径流成分按补给来源分主要以地下水补给为主。

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Based on the primary qualitative method, we propose an annual runoff prediction model using weighted sum of wavelet coefficients of major periods to predict the periodic components.

本文在原有定性分析方法的基础上，提出基于年径流时间序列主周期小波系数加权求和预测周期成分的年径流预测模型。

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They are seeking the Democratic Party nomination for the November election, and were forced into a runoff when neither received more than 50 percent of the vote in a primary vote last month.

VOA: standard.2010.06.08

Rep. Jimmy Hayes of Louisiana switched from Democrat to Republican in 1995 and then failed to win a runoff primary in the following campaign.

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Recent polls show him with a 10-point lead over his opponent in the Republican primary runoff scheduled for April 2.

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Lincoln, who faces a primary runoff in June, inserted the proposal at the last minute earlier this year, catching many by surprise and unleashing a fury of bank industry lobbying.

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