It is a technically demanding piece of music to play.

演奏这一段音乐需要有很高的技艺。

《牛津词典》

It is a strange way to talk of the most technically demanding oil-extraction project on the planet.

这样谈论世界上技术要求最高的采油项目倒是头一次。

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Grands become more desirable for advanced students because technically demanding material is easier to execute on a grand.

三角钢琴对于高级学生会更合适，因为技术要求高的曲子在三角钢琴上更容易弹奏。

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So technically demanding is the sealing process that the company had to create its own welding expertise no supplier was up to the task.

ECONOMIST: Espresso coffee

Some caution is in order, however, as this more comprehensive approach would be technically demanding and possibly very costly both for the regulators and the firms they supervise.

FORBES: Transcript

But the operation was so demanding technically that most urologists were afraid to try it. (One doctor likens it to backing up a tractor trailer around a curve by looking through the rearview mirror).

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