巴基斯坦就是面临微量元素问题的典型国家。
但是高度自动化的飞机带来了许多人的因素问题。
《素问·评热病论》说：“邪之所凑，其气必虚。”
"Q-fever assessment", said: "The evil are up, the gas must be false.
体现了均匀试验设计方法在处理多种因素问题上的优越性。
The uniform design has advantages in the respect of dealing with many factors.
虽然不能轻易原谅，但是鲜有新抗生素问世的原因却可以原谅。
The other reason for the lack of new antibiotics, though, is less forgivable-if understandable.
虽然不能轻易原谅，但是鲜有新抗生素问世的原因却可以原谅。
The other reason for the lack of new antibiotics, though, is less forgivable—if understandable .
虽然不能轻易原谅，但是鲜有新抗生素问世的原因却可以原谅。
The other reason for the lack of new antibiotics, though, is less forgivable—if understandable .
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