That is, existing methods and controls cannot assure the effectiveness and safety of the product.
也就是说，现行的方法和控制手段无法确保产品的有效性和安全性。
Based on the annual thermal equilibrium of ground heat exchanger in different buildings, control methods and controls parameter were analyzed by HGSHP experiment.
结合具体混合式地源热泵实验，分析出基于全年地埋管换热器“热平衡”的不同类型建筑应用混合式地源热泵时的控制方法和控制参数。
It is also where you will write methods to manipulate and query complex, application-specific controls.
同时在这里，你将编写可以处理和查询复杂的特定应用程序控件的方法。
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