We must carefully distinguish from theory the operational terms (to which it leads) that are then defined by procedure and observation, not by theory.
我们需要仔细地区分理论和操作术语，操作术语是理论引导来的，由程序和观察确立而不是由理论确立的。
I've leant the importance of procedure and the application of observation ability.
我也学到了了解程序的重要性和观察能力应用。
The paper introduces construction procedure and quality control methods of the bridge, also discusses observation results of main arch ring during construction and completion of work.
文中介绍了该桥的施工过程和关键工序的质量控制方法，以及在施工过程中和竣工后对主拱圈的观测测量结果。
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