Conceptual design is an indispensable stage in fixture design automation. It is also a bottleneck problem.

夹具概念设计是夹具设计自动化必不可少的一个阶段，是当前较少涉及的一个问题。

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Evidence modeling has become a bottleneck problem of restricting the application of D-S evidence theory currently.

证据建模已经成为当前制约d—s证据理论广泛应用的一个瓶颈问题。

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Explosion-proof of hydraulic solenoid valves for well hydraulic system is a bottleneck problem to have to be solved.

煤矿井下液压系统中，液压电磁阀防爆是必须解决的关键问题。

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As the problem scales, a bottleneck at the server end grows worse.

FORBES: The Case For Endpoints

The council said the exisiting "traffic bottleneck" in Ely would have become a greater problem with increasing use of rail networks through the area.

BBC: Ely bypass: Council selects 'value for money' route