雄孢子

The primary results could be summarized as follows: The result of flower developing showed that the flower bud morphological differentiation way is form a leaf bud with a flower bud; The process of microspore occurring and male gametocyte development is normal,the development of anther wall is elementeny type.

结果如下：花发育的研究表明，安祖花的花芽分化是以一叶芽一花芽的方式进行；小孢子与雄配子体的发育过程均属于正常发育，花药壁的发育属于基本型，绒毡层细胞属于腺质绒毡层，成熟的花粉粒为2-细胞型。

The microsporogenesis and development of male gametophyte in Tsoongiodendron odorum Chun were observed by using the paraffin section method.

采用石蜡切片法对观光木的小孢子发生和雄配子体发育进行了解剖学研究。

Pollen cones solitary or clustered, with numerous spirally arranged microsporophylls; microsporophyll with 2 microsporangia; pollen usually 2-saccate (nonsaccate in Cedrus , Larix , Pseudotsuga , and most species of Tsuga ).

雄球花单生或者丛生，有许多螺旋排列的小孢子叶；每个雄蕊有有2个花药；花粉通常有2个气囊状(无气囊，如Cedrus，Larix，Pseudotsuga 和大多数的Tsuga)。

In this paper, we overviewed the relationship between male gametophytic selection and phenotype of its sporophyte, genetic differentiation and its application in plant genetic improvement, so it would be provided reference information for correlated research of male gametophytic selection.

本文主要概述雄配子体选择与孢子体表型的关系、遗传分化效应及其在植物遗传改良中的应用，以期为雄配子选择相关研究提供参考

In the Taxus cuspidata nature reserve of Muling County in southeastern Heilongjiang Province, we selected 29 males and 30 females from a population of 271 natural T. cuspidata trees found by a route-checking survey to investigate the population fecundity. The strobilus development and the fruiting status, and their relationships with various ecological factors were examined by using the method of standard branches.

在黑龙江省穆棱东北红豆杉自然保护区，路线踏查到271株天然东北红豆杉，选择其中具有生殖活力的29雄株和30雌株作为样株，采用标准枝法对孢子叶球和结实状况及其与生态因子关系进行研究。

Different fruit type of sweet and hot pepper were used as experimental material.

不同类型辣椒游离小孢子的雄核发育与胚胎发生程序相同。

The accumulation of starch, vacuolation of multinucleate microspores and degeneration of anther wall affected microsporic embryogenesis.

淀粉粒的积累，多核小孢子的液泡化以及花药壁的衰退都可影响雄核发育。

To study the similarities and differences between male sterility induced by physiology and heredity, different male-sterile materials induced by heredity [S-type male-sterile line ms2611, ms1376] and physiology (induced by high temperature and chemical hybridizing agents SQ-1), Xinong 1376 and Xinong 2611 were used as materials, and their spikes at mononucleated prophase stage, anther and flag leaf at mononucleated anaphase stage, binucleated stage and trinucleated stage were used to conduct protein analysis.

为了研究小麦遗传型和生理型雄性不育在生化机制上的异同，以遗传型［S型不育系ms2611和ms1376］和生理型雄性不育小麦西农2611和西农1376（高温诱导和化学杀雄剂SQ-1诱导的雄性不育）为材料，分别取其小孢子处于单核早期的幼穗，单核后期、二核期、三核期的花药及旗叶进行了可溶性蛋白质的比较研究。

For the approach to the relations between the endangered situation and their sexual reproductive processes in Cimicifuga nanchuanensis, some comparative studies were made in C.simplex , a close and widespread species.

为了探讨南川升麻濒危与其生殖过程的联系。对广布近缘种单穗升麻进行了部分对照研究。论述单穗升麻的小孢子发生和雄配子体发育以及花药壁的发育。

Pollen cones terminal, solitary or clustered in leaf axils, or borne in spikelike complexes; individual cones pedunculate or sessile; microsporophylls numerous, spirally arranged, with distinct adaxial and abaxial surfaces; microsporangia 2; pollen 2(or 3)-saccate in Chinese species,.

雄球花单个顶生，或者在叶腋簇生，或者形成穗状复合花序；雄球花有花序梗或者无；小孢子叶许多，螺旋状排列，背腹面显著；小孢子囊2个；中国的种类的花粉2 (-3)气囊，。

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