测试本身只是一种工具,可以在特定条件下以合理的精度测量其特性。
The tests themselves are merely tools, with characteristics that can be measured with reasonable precision under specified conditions.
2007年,印度尼西亚开始逐步实施一项计划:在特定条件下向其最贫困的居民提供资金,比如要求人们让孩子接受教育或接受常规医疗保健。
In 2007, Indonesia started phasing in a program that gives money to its poorest residents under certain conditions, such as requiring people to keep kids in school or get regular medical care.
其中每一种方法在特定条件下都有其优点和缺点。
Each of these approaches has advantages and disadvantages in certain situations.
You can still calculate the heat that's released. This is what will tell you under some particular conditions what will actually happen. Where will you end up.
你仍然可以计算放热,在特定条件这些下这些物理量,能告诉我们将会发生的事情。
Remember, Newton said F = ma, but didn't tell you what value F has in a given context.
记住,牛顿只说 F = ma,但却没告诉你 F 在特定条件下的值是多少
In some sense, that's one reason to associate this as a kind of energy, H just like mechanical energy u or enthalpy H, it's the minimum free energy state that is the equilibrium state under the relevant conditions.
在某种意义下,这是我们把这些物理量称为能量的原因,就像机械能U和自由焓,具有最小自由能的状态在特定的条件下,就是平衡态。
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