第9届全国红外科技交流会是我国红外科技界一次规模空前的盛会。
The 9th National ir Science and Technology Conference is a grand gathering of unprecedented size of the ir academic circles in CHINA.
第9届全国红外科技交流会是我国红外科技界一次规模空前的盛会。
The 9th National ir Science and Technology Conference is a grand gathering of unprecedented size of the ir academic circles in CHINA.
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