查询词典 unisexual

Any of various weeds of the genus Ambrosia having small, greenish, unisexual flower heads and producing abundant pollen that is one of the chief causes of hay fever.

豚草一种豚草属的杂草，有绿色、雌雄合一的小花冠，能产大量花粉，是引起干草热的主要原因之一

An inflorescence consisting of a dense spike or raceme of apetalous, unisexual flowers, as in Salicaceae and Betulaceae; an ament.

柔荑花序 Catkin 由无被单性花组成的密集的穗状或总状花序，如杨柳科和桦木科。

Say according to this, of contemporary angiosperm primitive kind group, should have unisexual flower, without the wood that be mixed by flower, anemophilous flower this ament kind plant, if wooden hemp is yellow eye, peppery eye, willow eye.

根据此说，现代被子植物的原始类群，应该具有单性花。无被花。风媒花和木本的柔夷花序类植物，如木麻黄目。胡椒目。杨柳目等。

The unisexual flower is caused by the selective abortion of androecium or gynoecium in the hermphroditic primondia.

单性花的发生是由于原两性花原基的雌蕊或雄蕊选择性败育所造成的。

Flowers bisexual or unisexual; each flower with 1 bract and 2 bracteoles.

花两性或单性；每花具1苞片和2小苞片。

Flowers small to medium-sized, bracteate and often bracteolate, bisexual or unisexual, actinomorphic or rarely zygomorphic, hypogynous to epigynous, floral cup shallow to urn-shaped, sometimes absent; sepals 4 or 5(–10), sometimes absent, imbricate, usually persistent; petals absent or 4 or 5, yellow, white, greenish or red, often ribbonlike and circinate in bud, caducous; stamens 4, 5, or many, free, rarely arranged in 2 whorls with the inner whorl staminodal, development of polyandrous androecia centripetal or centrifugal; anthers basifixed, thecae mostly bisporangiate, each opening by two valves or a simple longitudinal slit, or monosporangiate and opening by a single valve (Exbucklandia, Hamamelis and the genera of the S hemisphere), connective protruding; disk scales sometimes present between stamens and carpels.

花小对中型，具苞片和通常，萼片4或5(-10)，有时无，覆瓦状，通常宿存；花瓣无或者4-5，黄色，白色，带绿色或者红，通常在芽期带状的并且拳卷，早落；雄蕊4，5，或者很多，离生，很少2轮生并且退化雄蕊内部轮生，多雄蕊的雄蕊群向心或离花药基着大多为的囊bisporangiate，以二裂爿或一单纵裂缝每开阔的，花盘鳞片有时片在雄蕊和心皮之间存在。

Flowers actinomorphic, bisexual, rarely unisexual, occasionally cleistogamous.

花辐射对称，两性，很少单性，偶尔闭花受精。

Flowers bisexual or unisexual, rarely polygamous, actinomorphic or zygomorphic, solitary or in axillary or terminal, spicate, paniculate, or racemose inflorescences, 2-bracteolate, sometimes cleistogamous. Sepals 5, equal or unequal, imbricate, persistent.

花两性或单性，很少杂性，辐射对称或左右对称，单生或为腋生或顶生的穗状花序、圆锥花序或总状花序，有两个小苞片，萼片5，相等或者不相等，覆瓦状的，宿存。

As a result of gymnosperm, especially hemp fizzles out and sweetberry jointfir is give priority to with unisexual flower, imagining primitive angiosperm consequently is an unisexual flower.

由于裸子植物，尤其是麻黄和买麻藤等都是以单性花为主，因而设想原始被子植物是具单性花。

Flowers radially symmetric, bisexual or unisexual, hypogynous, perigynous, or epigynous; perianth cyclic, rarely spiral, in unisexual flowers remnants of opposite sex present or absent.

开花辐射对称，单性的两性或，，周位，上位的或；花被轮列，很少螺旋形，在单性花内有或无异性花的残余存。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐