有顶的

The flattened Gaussian beam is taken as an illustrative example, and the propagation of FGBs passing through unapertured and apertured paraxial ABCD optical systems is expressed in the analytical form.

以平顶高斯光束为例，推导出了它通过无光阑和有光阑的近轴ABCD光学系统传输的解析表达式。

Leaves cauline, lateral and pseudoterminal, alternate, opposite, or whorled, sessile or shortly petiolate, sometimes cirrose at apex.

茎生，侧的叶和假顶生，互生，对生，或轮生的，无梗或具短叶柄，有时有卷须在先端。

Leaves simple; petiole 5-15 mm; leaf blade adaxially dark green and nitid, obovate, 6-11 × 3-7 cm, papery, abaxially sparsely pubescent, crinite in axils of lateral veins, adaxially sometimes pubescent on midvein, lateral veins 8-15 pairs, straight or not, branched far away from margin, terminal veins running into teeth, attenuate from middle to base, upper margin undulate-serrulate, apex rounded or subtruncate, tip shortly acute. Panicle terminal, 9-30 × 10-20 cm, 4 × branched, pubescent.

单叶 叶柄5-15毫米；叶片正面深绿色和有光泽，倒卵形， 6-11 * 3-7 厘米，纸质，背面稀疏短柔毛，具长软毛的在侧脉腋处，在中脉上正面有时短柔毛，侧脉8-15 对，直与否，远离边缘的分枝，圆锥花序顶生， 9-30 * 10-20 厘米，4回分枝，短柔毛。

Inflorescence terminal, composed of several to many racemes inserted digitately or along a short axis; racemes elongate with many spikelet pairs, hairy, fragile, sessile and pedicelled spikelets of a pair similar, pedicelled often slightly narrower, both fertile; rachis internodes linear, ciliate along angles; pedicels resembling internodes, usually slightly shorter and more slender.

花序顶生，由数枚到多数总状花序组成着生或沿着短轴；总状花序拉长具很多小穗对，有毛，脆，无梗和pedicelled相似的对，pedicelled通常稍狭窄，都能育；轴节间的线，纤毛的沿着棱；花梗象节间，通常有点更短和更纤巧。

We have well-equipped lighting lighting workshop, there is the installation of more than 2000 square meters factory, mainly producing all kinds of ceiling lamps, chandeliers, drawbench lights, chandeliers meals, room lamp, floor lamp, table lamp and so on.

本厂拥有设备完善的灯饰照明车间，有2000多平方米的安装工场，主要生产各种吸顶灯，吊灯，拉丝灯，餐吊灯、客房灯、落地灯、台灯等。

It's rare when star patterns on our sky's dome have anything to do with real associations of stars in space, but Graffias, Dschubba and Pi Scorpii are thought to be loosely bound by gravity.

当星星在我们的天顶点缀，与它们在太空中的真实结合有关系，这很少见，但房宿四，房宿三和Pi Scorpii被认为是由重力松散地连接在一起。

There is prominent apocrine change of the cells lining the cysts in this example of fibrocystic changes of breast.

此例乳腺纤维囊性变有排列成囊的细胞的显著顶浆分泌改变。

Leaves alternate, petiolate; stipules deciduous, intrapetiolar, incompletely connate, apex 2-cleft; leaf blade papery, pinnately veined or 3-veined, margin often coarsely dentate or serrate, rarely entire; cystoliths punctiform or botuliform.

叶互生，具叶柄；托叶脱落，叶柄内，不完全合生，顶2半裂；纸质的叶片，成羽状脉或3脉的，边缘通常粗牙齿或有锯齿，很少全缘；钟乳体点状或者香肠状。

Autonomous system always need to work in complex multivariant environment, e.

控制一个复杂系统有两种方式：自顶向下的还原主义方式和自底向上的行为控制方式。

Well developed shoots were successfully obtained after 45 days of culture of shoot tip explants on MS medium supplemented with 4-8 mg/l Benzylaminopurine and 0.5 mg/l α-Naphthaleneacetic acid. Addition of 0.01-0.5 mg/l Thidiazuron in the medium was found to be beneficial for rapid growth of shoot tip explants.

培植体培养於MS基本盐类并添加4-8mg/l BA和0.5mg/l NAA的培养基45天后，对促进新茎节萌发效果良好；而接种於含0.01-0.5mg/l TDZ固体培养之茎顶培植体，也显示有促进茎节快速生长的作用。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。