One technical difficulty is cavitation, where low pressure behind a turning blade causes air bubbles.

一个技术难题是气穴现象，一旦发生气穴现象，位于旋转螺旋桨叶后方的低压会产生气泡。

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Above all, speak up if you are having any technical difficulty.

最重要的是，如果你有任何技术困难，就得大胆地说出来。

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Solution to the technical difficulty in protocol application development is then put forward.

对于协议应用开发过程中的技术难点，提出了解决方法。

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We were going to have a clicker slide on how many bounced back but it looks like we're having a little technical difficulty with that.

发生背散射，球被弹回来了的,同学请你们站起来,让我算算。

麻省理工公开课 - 化学原理课程节选

Racal, which makes the terminals, apologised to customers for the "short-term minor technical difficulty".

BBC: Retailers braced for bug

All eligible entries received on-line prior to occurrence of technical difficulty will be included in the Sweepstakes.

CNN: Inside the Envelope

Speaking to Today presenter Jim Naughtie, the four describe both the creative pleasure and technical difficulty of performing Samuel Beckett's enigmatic characters.

BBC: Having 'frightening fun' waiting for Godot