繁殖的

A specimen of an organism taken from the type locality of that species .

多源发生说；多细胞繁殖从一个以上的祖先或初始细胞衍生成为一个物种或一种类型

Vegetative propapation of nut has been successfully practised for over 2,000 years.

坚果的无性繁殖已被成功地应用了2000多年。

Vegetative propagation of nuts has been successfully practised for over 2, 000 years

坚果的无性繁殖已被成功地应用了2000多年。

First, it is usually propagated vegetatively from stem cuttings that do not store well and are costly to cut and handle.

首先，它通常用插枝进行营养繁殖，插枝不易贮存，切枝和处理的成本高。

Many plants cannot be divided strictly into populations as they may reproduce vegetatively, with the result that one individual can occupy a large area and parts can detach.

许多植物不能被划分为确切地种群，这是由于它们繁殖生长迅速，导致某一个体占据了相当大的区域而其他部分则被分离。

Cover the seed with 3 to 5mm of vermiculite and propagate at 18 to 20c.

在 18 到 20 c 以 3 到 5 毫米的蛭石包括种子而且繁殖。

Cover lightly with 3 to 4mm vermiculite and propagate at 15 to 18c.

轻轻的以 3 到 4 毫米蛭石包括而且在 15 到 18 c 繁殖。

Red Knotis a long-distance migratory wader which has a circumpolar tundra breeding range.

红腹滨鹬繁殖于环北极地区，属长距离迁徙鸟类，我国黄渤海地区是其在东亚-澳大利西亚迁徙路线上重要的停歇地。

Thousands of waterfowl breed round the lake and live off the fish.

数以千计的水鸟在湖边繁殖，靠鱼为食来生活。

Professor Charles Waterman, one of the Nebraska researchers notes that the plants also reseed themselves.

内布拉斯加州的研究之之一Charles waterman教授指出这种植物能够自我靠种子繁殖。

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