这个方面有两个主要职责：跟踪与创建和准备语句有关的信息，然后监视jdbc语句执行的性能统计值。

This aspect has two primary responsibilities: tracking information about creating and preparing statements and then monitoring performance statistics for executing JDBC statements.

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同时，分析了储油罐震害预测中影响较大的随机性因素，并建议了主要随机变量的概率模型和统计特征值的选取方法。

The most important random factors in the earthquake disaster prediction is analyzed, the probabilistic model and statistical characteristic value of the primary random variables are also put forward.

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采用问卷调查法和常规统计法，对影响篮球裁判员正确判罚值的主要因素进行探析。

Using questionnaire and conventional statistics, the authors make an approach to the major factors affecting the value of basketball referees' right judgment.

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