RETENTION parameter works best if the current undo tablespace has enough space for the active transactions.
retention能做好地工作如果——当前的回滚表空间对活动事务有足够的空间。
If this parameter is enabled, log retention logging is performed regardless of how the logretain parameter is set.
如果启用了该参数，无论logretain参数如何设置，都会执行日志保留记录。
Retention time distribution (RTD) is an important parameter of polymer in the extruding process.
停留时间分布(rtd)是表征聚合物挤出过程重要的参数。
Sludge Retention Time (SRT), which was an important parameter in activated sludge process design and operation, has shown more effect than other parameters.
污泥龄（SRT）作为活性污泥法设计与运行的参数已显示出比其它参数更加重要。
Soil water retention characteristics served as a vital parameter in modeling water movement and chemical transport in unsaturated soil.
土壤水分特征曲线是模拟水分和化学物质在非饱和土壤中运移的关键参数。
Memory cell capacitance is the crucial parameter which determines the sensing signal voltage, speed, data retention times, endurance and against the soft error event.
记忆体电容是决定检测讯号电压、速度、资料保存时间、耐久性以及防止软性误差的重要参数。
Tire inflation pressure retention (IPR), as measured by percent air loss per month, is a key parameter to improved performance and passenger safety.
用月气压下降率量度的轮胎气压保持率（IPR）是改善轮胎使用性能和保障乘客安全的一个关键参数。
Tire inflation pressure retention (IPR), as measured by percent air loss per month, is a key parameter to improved performance and passenger safety.
用月气压下降率量度的轮胎气压保持率（IPR）是改善轮胎使用性能和保障乘客安全的一个关键参数。
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