In such cases, it might be very difficult to achieve semantic transparency through natural language schema annotations.
这种情况下，通过自然语言的模式注释来获得语义透明性可能非常困难。
It might be very difficult to ensure that an aspect implemented for very valid reasons does not have unwanted effects on existing program functionality.
要保证一个为非常有效推断所实现的方面不会对现存程序功能带来多余的效果是非常困难的。
But measuring these changes in rainfall over the ocean is very, very difficult to do. But salinity is actually an important parameter that gives us an indication of what might be going on.
许多天气预报模型暗示，当气温升高的时候，水循环会发生变化，但是，我们很难在海洋上测量降雨的变化，不过，海洋中的盐分水平实际上是一个重要参数，能表明海洋上降雨的变化。
With different countries each having country-specific caps and different tariffs, it could be very difficult to assess how comparable the measures are and what remedies might be needed.
由于每个国家都有自己特定的限额和关税，所以难于对可比较的度量和必需的补救措施作出评估。
The difficult problem of complex and syndrome fault diagnosis is that the diagnostic features might not be obtained because the signal of the fault is very puzzling.
复杂、并发故障诊断的难点在于这些故障的振动信号很复杂，特征很难获取。
The difficult problem of complex and syndrome fault diagnosis is that the diagnostic features might not be obtained because the signal of the fault is very puzzling.
复杂、并发故障诊断的难点在于这些故障的振动信号很复杂，特征很难获取。
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