If the function succeeds, the return value is the handle to the hook procedure. If the function fails, the return value is NULL.
如果方法执行成功，返回钩子子程的句柄。如果失败，返回空。
If it fails, this means that it is the first time this session called this trigger function.
如果操作失败，则意味着这是会话首次调用这个触发器函数。
If the calling thread has no ownership of this mutex, this function fails.
如果调用线程并不拥有这个互斥信号量，那么这个函数的执行将会失败。
If the primary system fails, the remaining available logical logs can be restored on the second system, which can then be brought online and function as the new primary system.
如果主系统出故障，可以将剩下的可用逻辑日志恢复到辅助系统上，然后使后者上线，担任新的主系统。
On running this test, the BOOST_CHECK macro fails despite the fact that you're using the SQRT function provided as part of the standard library.
运行这个测试时，尽管使用的是作为标准库一部分提供的sqrt函数，boost_check宏仍然会失败。
The OnSubmitForm function fails gracefully if the MIME type can't be found, allowing the users to specify their own.
如果没有找到MIME类型，OnSubmitForm函数就会失败，允许用户指定他们自己的类型。
Before it complains and compilation fails, the compiler checks to see if there are any implicit functions in scope that would allow it to convert the function to an OnClickListener.
在报错并出现编译失败之前，编译器将检查是否存在隐式函数，允许将函数转换为OnClickListener。
When one of the wheels fails to function properly, there is no effective way to control rigid spacecraft attitude motion in certain practical circumstances.
当其中一个动量飞轮失效，在某些特定的情况下，如何控制航天器的姿态问题还没有有效的方法。
Conversely, if the component fails and another component takes over the function of the failed component, then the failed component is considered to be in parallel.
相反，如果组件失败，另一个组件接管失败的组件的功能，那么失败的组件被认为是平行进行。
Especially to old people the heart function fails vascular sclerosis and blood pressure reflect the regulating function obstacle blood pressure decline appear more if doing a sport after the meal.
特别是老年人，心功能减退、血管硬化及血压反射调节功能障碍，餐后多出现血压下降等现象。
When the motor vehicle equipped with such a system is running, in case of any brake line fails, the other two lines will still maintain the braking function.
装有这种制动系的车辆，在行驶中任一制动回路失效后，仍有两个回路保持制动效能。
If the liver fails to function normally in storing blood. Such pathological changes as liver-blood deficiency or bleeding will occur.
如果肝的藏血功能异常将会引起肝血虚或出血等病理改变。
The present proportional share method fails to take into account the notable differences of cost function in each district, leading to the increase of total environment cost in the river basin.
现行的比例削减配额方法未考虑各地区实际存在的成本函数的显著差异，导致流域总环境成本增加。
Methods: Review the clinical data of 66 aged patients with the heart function fails.
方法：回顾分析我院行腹腔镜手术的老年心功能减退66例患者的临床资料。
The idea of "assert" is that it aborts the function if it fails.
“维护”的想法是，如果失败了就会终止功能。
Pressure in a cylinder or other container can build up due to heat and it may rupture if the pressure-relief device fails to function.
如果减压装置失效的话，容器内的压力会由于热而积累，从而导致钢瓶破裂。
Conversely, when bile fails to be excreted normally, the liver function will be affected, too.
相反，当胆汁排泄异常时，肝的功能也会受影响。
Occasionally fails o meet standars required for the function.
偶尔达不到工作职责标准。
Occasionally fails o meet standars required for the function.
偶尔达不到工作职责标准。
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