多叶的

According to the requirements of precision conformal dose delivery in radiation therapy, the focused trapezoid cross-sectional shape of the flank leaf of multi-leaf collimator is introduced, and the tongue-groove structure, which is used to minimize interleaf transmission, is determined.

根据放射治疗中剂量精确适形的要求，确定了多叶组合光栅叶片侧面的梯形聚焦形式和榫槽配合防漏射结构。

The results show that this method can produce optimized dose distributions that are similar to those produced by the conventional inverse planning method with the benefit of smoother intensity profiles that are easier to deliver with a computer controlled MLC. The method produce segments no less than the given beamlet size, so all segments can be implemented.

最后，为了进一步减少子野个数，提高执行效率，提出了使用图形图像处理中的轮廓提取算法计算调强放疗中多叶准直器子野的基本原理和方法，作了基本探索。

Any of various plants of the genus Crepis having loose heads of yellow flowers on top of a long branched leafy stem; northern hemisphere.

还羊参属的一种植物，茎长、多叶，有黄色、松弛的头状花序；产自北半球。

These masses showed slight to marked lobulation(15/21), and although some are smoothly bordered, but others exhibited a spiculated margin. Less commonly, they included multilobulated masses, a thin-walled cavity, lobar atelectasis without demonstrable mass.

这些肿块可表现出浅分叶（15/21），尽管其中一些边界光滑，大多边界可呈毛刺状，还包括多室性的肿块，薄壁空洞和没有明确肿块的肺不张。

Flowers perfect and hermaphroditic or occasionally unisexual, actinomorphic or zygomorphic,(2-)4(-7)-merous, axillary, in leafy spikes or racemes or solitary, or occasionally in panicles, all but Ludwigia with distinct floral tube, nectariferous within.

偶有的完全花和两性的或单性，辐射对称或者两侧对称，(2-)(-7)瓣，腋生的4，在多叶穗状花序或总状花序或单生内，萼片绿色或有色，镊合状排列。

Hodges saw his shot to lift his fleshy, leafless shrub from obscurity. That's because salicornia has another nifty quality: It can be converted into biofuel.

何吉斯总算可以放手一搏，打响他那默默无闻多肉无叶的灌木，因为盐角草属有另一个极好的特质：它可以转化为生质燃料。

The blowing inlet port can be divided into more than 10 forms, forming 1 to 4 different blowing directions. It can be used with bisecting multi-vane adjusting valve or single vane opening blast volume adjusting valve with a valve-board pattern.

按照扩散的形式可以分成10多种，可以形成1-4个不同的送风方向，可与对开多叶调节阀或单开阀板式风量调节阀配套使用，拆装方便。

Instead, steaming fresh leaves at high temperatures deactivates the oxidizing enzymes, leaving the polyphenol content intact.

反之，蒸鲜叶在高温下失活的氧化酶，留下多酚的含量不变。

Researchers point out that dark-green leafy vegetables -- Brussels sprouts, spinach, broccoli -- are all good sources of the vitamin.

研究人员指出，暗绿色的多叶蔬菜，比如芽甘蓝、菠菜和椰菜，都含有丰富的维生素。

Inflorescences basically cymose, in panicles, racemes, corymbs, umbels, or heads; bracts subulate or linear, sometimes leafy.

基本上聚伞状的花序，在圆锥花序，总状花序，伞房花序，伞形花序，或头状花序内；苞片钻形的或线形，有时多叶。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。