The instrument should be calibrated in an area free of vibration or stray magnetic fields such as power lines, generators, or welding equipment.

仪器校准应在无振动区域以及无发电机，焊接设备等干扰磁场的区域进行。

youdao

The thermal stresses in large area free-standing diamond films deposition using finite-element (FE) models with and without interlayer were investigated.

建立了没有过渡层和有过渡层的有限元模型，对大面积自支撑金刚石膜沉积过程中的热应力进行了研究。

youdao

Ensure that outside noise and disturbances do not affect your studies. Your study table must be located in a silent area free from all external disturbances.

确保外界的噪音和干扰不会影响你的学习，你应该在一个安静不会被打扰的地方学习。

youdao

It was free because Congress -- in the Missouri Compromise of Eighteen Twenty -- made slavery illegal in that area.

VOA: special.2009.05.14

Another climber,John Lang, suggested Bachar free-solo an area called Double Cross, in Joshua Tree National Park,California.

VOA: special.2009.12.09

Slave-holders in Missouri did not want the Nebraska area to become a free territory.

VOA: special.2009.04.23

" He added: "We hope others who are in a position to report to the Commission the presence of such notices will join in partnership with us in helping to make the whole of Wales an area free of such abuses.

BBC: NEWS | UK | Wales | North East Wales | Police defend travellers' rights

Within Bangkok's Klong Toey slum, there is one area relatively free of stinking refuse.

ECONOMIST: Clean up��or risk many deaths

Players will be able to access two adventure zones and one player property area for free for as long as they want.

FORBES: LEGO Universe Latest Online Game to Adopt Free-to-Play Business Model