堕胎的道德性问题在美国长期争论不休。
The morality of abortion has been discussed for a long time in the US.
随机测试与划分测试的有效性问题一直是人们争论的焦点。
Which is more effective on partition and random testing has been rather controversial.
随机测试与划分测试的有效性问题一直是人们争论的焦点。
Which is more effective on partition and random testing has been rather controversial.
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