The system inlet temperature is less than the lower critical threshold.
系统进气孔温度低于下限临界阈值。
Therefor enhancing the level is critical to maintain lower birth rate.
从而指出提高妇女文化程度是稳定低生育率的重要措施。
Available zinc in soil was lower than the critical level.
土壤有效锌含量低于临界值。
Available zinc in soil was lower than the critical level.
土壤有效锌含量低于临界值。
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