子器

The archegonial initials could be distinguished from the perip heral cells at the micropyle end of the female gametophyte before the completion of the wall formation where the cell wall had reached the center of the gametop h yte.

雌配子体中游离核之间细胞壁还未完全形成时，在其近珠孔端表面可看到颈卵器母细胞发生。

The system tunability and the pulse shapes we obtain are compared with that of the BEAMLET settled in the American National Laboratory of Lawrence Livermore.

第六章系统地讨论了利用LiNbO〓电光调制器进行激光脉冲整形和频谱展宽的实验装置和实验结果，并将其结果与目前美国子束装置上已取得的结果作一对比。

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。

Characters controlled by the DNA of extranuclear organelles are not inherited according to Mendelian laws and are transmitted only through the female line, since only the female gametes have an appreciable amount of cytoplasm.

由于细胞质大多来自母体所产生的配子，所以由细胞核外的细胞器的 DNA 所控制的遗传性状一般只随母系而遗传，也不符合孟德尔定律。

A kind of downhole multipole acoustic transducer transmitter with high power that is applied to petroleum tools was introduced.

介绍了一种用于石油仪器的大功率多极子阵列声波换能器激励源的设计方案。

In this paper, we utilize both measured and paleoclimatic proxy data as much as possible, conduct wavelet analysis technique, analyze the past climatic characteristics of various areas in China and their relationship, and the cause of climatic variation has been studied.

本文尽可能多地利用器测资料和各种古气候代用资料，运用子波分析等统计方法，分析中国不同地区过去气候变化的特征和相互关系，同时对其变化原因进行了初步研究。

Then pebrine was recognized and classified by neural network based on genetic algorithm.

采用基于遗传算法的神经网络分类器对于微粒子进行了识别。

There is a polarized organelle, Golgi complex consisted of several saccules and some vesicles beside the nucleus and there are some osmiophilic bodies beneath the parasite pellicule.

结果表明，配子体是一渐进发育的单核、惰性虫体，其核旁有一个由扁平囊和泡状小体极性排列组成的细胞器———高尔基体，虫体被膜下有嗜锇小体。

In order to trace the male cytoplasm transmission during double fertilization process, the mature gametophyte, zygote, proembryo and primary endosperm in Pelargonium hortorum Bailey and Rhododendron mucronulatum Turcz were investigated using transmission electron microscope and DNA staining technique.

本研究应用透射电镜及DNA荧光技术对天竺葵和杜鹃的成熟配子体以及在受精以后雄性细胞器的存在和分布进行了系统的细胞学研究，阐明了这两种植物中雌性生殖单位的超微结构特点及雄性和雌性细胞中质体和线粒体在受精作用中的传递。

Was established in March 2008, mainly to sales of coal as the main equipment: Mine fan, Hair Dryers Mine, mine hoist, cars, light rail, the chute, wire rope, and rolling, LED light source Miner'slamp cold, anti-explosive coal locomotive, mining scraper plane, trailing bucket ROCK LOADER, anti-explosive switches, optical instrument seized Watts, Alarm, self-help, electronic wind table, monitoring systems, mine cable, blasting - Lines, such as bus blast.

重庆市立迅矿山设备有限公司成立于2008年3月，主要以销售煤矿设备为主体：矿用风机、矿用风筒、矿用提升绞车、矿车、轻轨、溜槽、钢绳、地滚、LED冷光源矿灯、防爆煤机车、矿用刮板机、耙斗装岩机、防爆开关、光学瓦检仪、报警仪、自救器、电子风表、监控系统、矿用电缆、爆破子线、爆破母线等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。