Specially, a vertical cavity surface-emitting semiconductor laser is attractive, because of free arrangement and dense packing.

垂直腔表面发射激光器，因其可自由排列和密集封装而特别引人注目。

The beam in the cavity and the output beam of the laser, if they occur in free space rather than waveguides (as in an optical fiber laser), are, at best, low order Gaussian beams.

如果激光光束洞和激光输出束出现在自由的空间，而不是波导（如光纤激光器），那么充其量也就是低阶高斯光束。

Expanding circulating oil cavity on hydrogen side can make circulation free.

扩大氢侧回油腔的容积改进了国产机回油不畅的问题。

Methods Bone defects or unities due to limb traumas or infections were treated with the free bone grafts through bone marrow cavity, and then fixed with internal or external fixations;

方法对四肢长骨因创伤及感染造成骨缺损和骨不连，切取同骨或另骨的皮质骨植入骨的两段骨髓腔，并用内、外固定。

Microwave plasma thruster can generate free-floating plasma brought about by microwave discharge breakdown gas in resonant cavity without the service life problem produced by electrode ablation.

微波等离子推力器(MPT)的最大优点是微波在谐振腔内放电使工质形成悬浮的等离子体，没有电极的烧蚀与寿命问题。

To determine which radiotherapy regimens for oral cavity and oropharyngeal cancers result in increased overall survival, disease free survival, progression free survival and locoregional control.

确定何种口腔及口咽癌的放射治疗方式能够增加整体存活、无病存活、无疾病进展存活以及局部区域控制。

If you wish to have your teeth cavity-free and white-teeth smile nonfat yogurt should be included in your diet. Its bonus contains in calcium, it is high in it.

如果你想避免蛀牙，并想展露洁白牙齿的笑容，那你就该把脱脂酸奶加入菜单之中。

Fluoride-free - Some parents feel their children get enough cavity-fighting fluoride in the foods they eat and the water they drink, and so don't want fluoride in their child's toothpaste.

一些家长觉得他们的孩子从食物和水中摄取了足够的预防蛀牙的氟，所以不想要含有氟的牙膏，也有些家长想避免氟化物。