time characteristic index 时间特征指数
The index system of a trade has characteristic of the time, it exists under certain economic environment and era background.
一个行业的指标体系是有时代特征的，它存在于一定的经济环境和时代背景下。
The Empirical research result certificate the price-earnings ratio index time series of Shenzhen composite B-share index having the mean reversion characteristic.
实证研究的结果证明深证综合B股指数的指数市盈率时间序列具有均值回归特性。
The life of the relay is a major index to indicate the reliability of relay. Super-path time and pick-up time are important characteristic parameters to indicate the life of relay.
继电器寿命是表征继电器可靠性的重要指标，超程时间和吸合时间是表征继电器寿命的重要特性参数。
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