这就是健康方面存在明显差距的原因。
我国钢铁能源强度与世界先进水平相比存在明显差距。
There is an obvious gap about the energy intensity of China's iron and steel with the world's advanced level.
与国外相比，国产行波管在寿命和可靠性方面存在明显差距。
The gap of TWT between home and abroad mainly embodies in life and reliability.
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