The role of the join action is to synchronize multiple threads of parallel execution started by fork actions.
join动作的功能是要同步fork动作启动的多个并行执行的线程。
The minimal CloudCrowd action is a simple Ruby class that defines a "process" method, performing the parallel part of the computation and saving it to S3.
最小的CloudCrowdaction是一个简单的Ruby类，它被用来定义一个“进程”方法，执行计算中的并行部分，并保存到S3。
And the effects of ultrasonic irradiation at low intensity in BACMR on the enhancement of biological action and membrane pollution control were investigated through parallel experiments.
同时通过对比试验研究了低强度的超声波对膜污染防治作用及其在膜-生物活性炭反应器中对生物过程的强化作用。
This paper proposes double action parallel indexing CAM mechanism, and studies cams profile by methods used in gear meshing.
提出了双作用式平行分度凸轮机构，并按研究齿轮啮合的方法研究其凸轮廓线。
The study shows that in granite cutting processes, PDC cutter is worn by micro chipping in diamond grains due to mechanical action, and the wear surface is almost parallel to the rock surface.
研究结果表明：切削花岗岩时，受切削力及其冲击的作用，PDC刀具产生近乎平行岩石表面的磨损形式，磨损机理为机械作用引起聚晶金刚石层微观裂纹产生并扩展而导致的金刚石颗粒的微观破碎。
The interaction between two parallel cracks in rock mass under the combined action of tension and shearing is analyzed by finite element method.
采用有限元法，对岩体在拉剪综合作用下平行双裂纹相互影响的情况进行了计算。
The speed-ratio curve of double-action parallel indexing cam mechanism has special property in shape, which makes it is not available from present transmission function, but designed purposely.
双作用式平行分度凸轮机构对速比曲线的几何形态有特殊要求，这使得该机构的速比不能从同类机构现有运动规律中得到，而必须经过特殊设计。
JBL, JBT, JB-TL Specific forms parallel groove clamp is suitable for unendure force splicing and branch on the aerial wire , being used with insulation cover . It's action is insulation protection.
TL系列异型并沟线夹适用于架空电力线路中导线的非承受力接续与分支，与绝缘罩配套使用起防护绝缘作用。
Results besides the action of conduction anesthesia chlordimeform has the cardiovascular toxicity and the antiarrhythmic action induced by barium chloride parallel to26-dimethyl aniline.
结果杀虫脒有局部麻醉作用，杀虫脒和利多卡因的代谢物2。6-二甲基苯胺都有心血管毒性和抗氯化钡诱发的心律失常作用。
Results besides the action of conduction anesthesia chlordimeform has the cardiovascular toxicity and the antiarrhythmic action induced by barium chloride parallel to26-dimethyl aniline.
结果杀虫脒有局部麻醉作用，杀虫脒和利多卡因的代谢物2。6-二甲基苯胺都有心血管毒性和抗氯化钡诱发的心律失常作用。
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