两阶段提交确保了分布式事务也可以始终提交或者始终回滚，即使在事务提交过程中系统的一部分崩溃，也不会受到影响。
Two-phase commit ensures that a distributed transaction can always be committed or always rolled back, even if parts of the system crash while the transaction is being committed.
通过有限元计算及光弹性实验，结果证明，滚针轴承的接触应力分布与轴承手册和教科书中所给出的公式不符。
After calculating with finite element method and photoelastic-test, it shows that the contact stress distribution is not in keeping with the formulas given by some bearing hand books and textbooks.
在研究滚刀加工不同齿数带轮所形成的误差分布规律及误差对带与轮啮合传动影响的基础上，确定了滚刀可加工的齿数范围与参数。
At the basis of distribution law of error formed by the processed pulley with various teeth and its effect on transmission, the scope of tooth of pulley processed is defined.
应用推荐