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1·The mathematical model of hydraulic regime of ring-shaped heat-supply network is established, and the pressure head check formula for quota heating is given.

建立了环状管网水力工况的数学模型，给出限额供热的压头校核公式。

2·Companies using the milk for further production (e.g. of powdered infant formula) normally check the protein level through a test measuring nitrogen content.

而使用牛奶进行下一步加工(比如婴幼儿配方奶粉)的公司，一般通过测量含氮量来检测蛋白质含量。

3·Then your view selection formula need only check for that flag.

这样，视图选择公式就只需要检查那个标记。

4·Calculation example shows that fatigue check and computation of steel truss bridge becomes simpler and more convenient by employing approximate formula.

算例说明，应用近似计算式将使三线钢桁梁桥的疲劳检算变得简单、方便。

5·A set of method and formula for the computation of calendar first D check, calendar time since overhaul and total calendar life is presented by using tests data.

建立了一套由试验数据估算日历首翻期、日历翻修间隔、日历总寿命的方法和公式 ；提出了由使用中真实的腐蚀损伤数据来估算日历首翻期的方法 ；

6·An effective method is advanced which can be used to check the results of finite element analysis of the heaVy - duty cylinder barrel - Lamei Formula Checking.

提出了一种用于重型液压缸筒有限元计算结果校核的有效方法-拉美公式校核法。

7·This paper derives the characteristic formula of control pressure in hydro-control check valve and the mechanical characteristics formula of inlet and return circuit.

本文推导了液控单向阀的控制压力特性方程、进油和回油回路机械特性方程。

8·For quick check of the existence or the reasonableness of the stress on an oblique diminutive area we work out the analytical formula.

为迅速检查斜交微面上的应力是否存在（即是否合理），给出了求应力分量的解析式。