We can use different ways to measure the internal and external efficiency.
金融中介的外在效率和内在效率可以采用不同的方法进行测量。
The reason for higher internal efficiency but lower brightness is its poor external efficiency.
发光二极管内量子效率高而亮度不高的原因是外量子效率低。
The reason for higher internal efficiency but lower brightness is its poor external efficiency.
发光二极管内量子效率高而亮度不高的原因是外量子效率低。
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