查询词典 native plants

Although direct lethal effects on cotton boll worm couldn't be generated in tobacco plants transformed with cholesterol oxidase full gene vector or mature enzyme gene vector, inhibitory effects on the growth and development of cotton boll worm have been observed to a certain degree.

转单价胆固醇氧化酶全酶基因和成熟酶基因的转基因烟草植株均不能对棉铃虫产生直接的致死作用，但能使棉铃虫的生长发育受到一定程度的抑制。

"Any of various soft, downy substances produced by other plants , as on the seeds of a cottonwood."

产生于其他植物的柔软羽绒状物质。

Genus of flowering plants having a single cotyledon in the seed.

种子中有一片子叶的开花植物属。

Cotyledon the first leaf of the embryo of seed plants, which is usually simpler in structure than later-formed leaves.

子叶：种子植物胚胎的第一片叶，在结构上通常比后来形成的叶简单。

Family of flowering plants having a single cotyledon in the seed.

在萌芽阶段单子叶开花植物科。

A bitter,aromatic gum resin extracted from an Asiatic plantor any of several related plants and used in incense and medicinally as a counterirritant.

白松香一种带苦味的、芳香的树脂胶，从一种亚洲植物或者相关的植物中提炼出并用于制香和作为药用对抗刺激素

The combination of plants by the tiger Piran, Gold Finger, the court music of the dance form, the display in the room, very interesting viewing, but also has good indoor air purification ...

该组合盆栽由虎皮兰、金手指、雅乐之舞等组成，在摆放在室内，很有观赏趣味，而且对净化室内空气也有很好。。。

Established in 1795, Rieter, a Swiss-based international industrial group with business covering textile and automotive divisions, provides products and services for the textile, automotive and plastic industries with15000 employees and 72 plants operating across different regions of the world.

立达总部位于瑞士温特图尔，是一家于1795年建立的跨国性工业集团，其业务覆盖纺织机械和汽车系统，为纺织机械、汽车及塑料领域提供先进的产品及服务。

Established in 1795, Rieter, a Swiss-based international industrial group with business covering textile and automotive divisions, provides products and services for the textile, automotive and plastic industries with15500 employees and 72 plants operating across different regions of the world.

立达总部位于瑞士温特图尔，是一家存在210多年历史的跨国性产业团体，其业务笼罩纺织机械和汽车系统，为纺织机械、汽车及塑料领域供给先进的产品及服务。立达目前在寰球占有72家生产工厂，员工15500名。

The corrosion fatigue is a kind of failure commonly occurred on the water side of water-wall tubes in boiler,having strong covertness and large damaging force,threatening seriously safe production in power plants.

腐蚀疲劳是锅炉水冷壁管水侧常见的失效类型，其隐蔽性强，破坏性大，严重威胁电厂的安全生产。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。