You can also use the pthread_mutex_trylock() to test whether a mutex is locked without actually blocking it.
您还可以使用 pthread_mutex_trylock()来测试某个互斥是否已经被锁定，而不需要真正 地去锁定它。
With his colleague Anantha Shekhar, Johnson has begun using rat models to test the roles of various compounds in triggering or blocking panic attacks.
Johnson和他的同事anantha Shekhar, Johnson开始使用老鼠模型来测试激发和抑制恐慌的各种物质。
In this position, it must still just be possible to move the ON-OFF operating shaft. For this test, the function of the blocking magnet must be deactivated manually.
在这个位置，需保证仍可以操作手车上的ON - OFF铵钮，进行这个操作时，断路器上闭锁电磁铁的功能应手动解除。
Objective To investigate clinical value of diagnostic blocking test of knee joint for diagnosis and treatment of knee osteoarthritis complicated with degenerative lumbar disease.
目的探讨膝关节封闭试验在膝关节骨关节炎合并腰椎退变性疾病的诊断及治疗中的应用。
The method of blocking interference modification of Vehicle model test in closed tunnel-image method is given in this paper.
本文给出了汽车模型在闭口风洞中进行试验的阻塞干扰修正方法——镜像法。
In view of interlayer and areal problem after multi cycle of huff and puff, a new high temperature temporary blocking agent has been developed through laboratory experiment and field test.
针对稠油蒸汽吞吐开采过程中多轮次吞吐后层间及平面矛盾突出的问题，通过室内及现场试验，研制出一种新型高温暂堵剂。
The Blocking test proved their specificity.
通过阻断试验证明其作用的特异性。
So overwhelming was the excitement that overtook us when substances were found to potently inhibit the protease enzyme, thereby blocking viral replication in the test tube.
我们发现了一种物质，有可能抑制蛋白酶，从而阻止病毒在试管中繁殖，那时我们真是兴奋得难以自已。
The paper describes the design and test results of this cable, as well as the performances of the water-blocking strength materials used in the cable.
文章叙述了这种光缆的设计、试验结果及其关键堵水加强材料的性能。
Methods According to different clinical manifestation and compression degree. We could use artificial air bleeder, blocking drainage and adhesion to test the effect.
方法根据不同临床表现及气胸压缩程度采取人工抽气、闭式引流术、胸膜粘连术等检测效果。
The method was confirmed to have better repetition, specificity by blocking test and repetitive test. It could be used to detect the serum antibody of CDV.
经阻断试验、重复性试验等表明该方法特异性强、重复性较好，可用于犬瘟热血清抗体的定量和定性检测。
MethodsThe virus was isolated from conventional mice lungs through chicken embryo passages and identified by haemoglutination test, haemoglutination blocking test and constitution genes sequencing.
方法通过鸡胚尿囊腔传代自普通级小鼠肺脏分离病毒，经血凝实验、血凝阻断实验和结构基因序列测定对分离得到的病毒进行鉴定；
When all test cases remain in a design state for a long time, some issue is blocking progress.
当所有测试案例都长期停留在设计状态时，表示发生一些进度阻碍问题。
The paper gives an introduction to the test procedure and method for construction debugging of ZPW-2000A non-insulated frequency-shift automatic blocking equipment.
本文介绍了ZPW- 2000 A无绝缘移频自动闭塞工程调试中实验程序及实验方法。
A set of acceleration test system of elbow-bar framework is founded for the material test of MW1050 automatic blocking die-cutter while it is load-off or not.
建立了一套肘杆机构活动平台加速度测试系统，对MW1050自动烫印模切机空载状态和加压工作状态进行了实测。
Start screening of pregnant women testing HIV-positive pregnant women and test the implementation of mother-to-child transmission-blocking work by 2010 to achieve 100 percent coverage.
启动孕妇艾滋病筛查检测和对检测阳性孕妇实施母婴传播阻断工作，到2010年覆盖率达到100%。
Start screening of pregnant women testing HIV-positive pregnant women and test the implementation of mother-to-child transmission-blocking work by 2010 to achieve 100 percent coverage.
启动孕妇艾滋病筛查检测和对检测阳性孕妇实施母婴传播阻断工作，到2010年覆盖率达到100%。
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