That is a very substantial improvement in the present situation.

这是对目前状况的很大改善.

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China also appeals the world attention onto the substantial improvement by its service industry.

中国服务业的快速发展同样令人瞩目.

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The heat therapy instrument with wlRA represents a substantial improvement for conventional heat therapy i.

水滤红外线A热疗设备是对传统热疗设备的重大改进.

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