本报告介绍了小化肥厂耐硫甲烷化催化剂的立升级试验结果。
This report relates to small test result for sulfur-tolerant methanation catalyst in fertilizer plant.
我们每季度都对搜索引擎进行大约100个性能升级，每次都要进行50到200次试验。
We make about 100 quality upgrades to the search engine each quarter, and we're running between 50 and 200 experiments at any one time.
在白沙导弹试验场，洛克西德马丁公司对陆军战术导弹系统(ATACMS)新升级的导航和控制系统进行了一次成功的测试。
Lockheed Martin successfully conducted a test of the new upgraded guidance and control system for the Army Tactical Missile system (ATACMS) at White Sands Missile Range.
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