The free electron laser with a linearly polarized wiggler and axial guide field hag been studied.

本文研究的自由电子激光器具有线性摆动器及轴向引导磁场。

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The result shows that through integrated optimizing, it can confirm reasonable fracture parameters, guide field fracture design with desirable results.

结果表明，通过综合优化，确定合理的裂缝参数，指导现场压裂设计，效果较好。

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The study shows that reservoir characteristics and fluid property of Renqiu buried hill reservoir fit gas injection recovery, and the result of this study may guide field recovery by gas injection.

研究表明，任丘古潜山油藏的储层特性和流体性质较适合注气开采，其研究成果对现场实施注天然气开采具有指导意义。

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Teachers could use the Streak many more ways, including as an interactive guide during field trips and instruction tool inside the classroom, says Garry.

FORBES: Dell Pitching 'Streak' Tablet To Schools, Government

It remains a field guide organized by symptoms, clustered in categories that can expand without limit.

WSJ: DSM-5: A Manual Run Amok

The book is called : 'The Field Guide to the British Bumblebee'.

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