seed collection是什么意思

网络释义

用法例句

The study showed that Keteleeria davidiana (Bertr) Beissn is suitable to seed collecting in the last ten days of December and germinate indifficultly with relative ly high germination percentage in normal condition.

研究表明：铁坚杉12月下旬采种为宜；其发芽不难，发芽率较高。

hodginsii based on its biology features,including seed collecting technique,seeding technique,afforestation technique,the prevention and cure of plat diseases and insect pests,to provide scientific grounds for extending and planting artificial forest of F.

文章分别从福建柏的形态特征、生物学特性,采种、育苗和造林技术及病虫害防治等方面进行人工林栽培技术总结,为推广营造福建柏人工林提供科学依据。

Presentation was made on techniques for seed collection and seedling cultivation of Betula luminifera.

介绍了光皮桦的采种育苗关键技术,光皮桦的种子成熟期因气候条件不同而差异较大,在庆元县种子成熟期一般在5月上旬至5月中下旬;常温下种子容易丧失发芽率,应做到随采随播;注意圃地选择、播种方式和播种量(15~30 kg/hm2),加强苗期田间管理,合理控制育苗密度(90~100株/m2)。

In view of the technical problem existed in the work of tree seed harvesting, this paper advanced a new way of the tree seed harvesting and its mini-power equipment which suits trees of different kinds and completed the research of its mini-power equipment.

从我国山地林区采种特点出发，针对来种作业中存在的技术难题，首次提出了能适应多树种的林木种子高效采摘技术新方案，并完成了其微型动力采摘设备的研究。

Study on Seedling Age and Harvest Date During Producing Carrot Seeds by the Seed-to-Seed Method;

胡萝卜小株采种苗龄与采收期的研究

In practice, seeds should not be stored dry but stratified on removal from the fruit.

实践上，种子不需要干藏而是采种后即层积。

Effects of Seeding Times on Seed Collecting and Flower Bud Differentiation of Cryptotaenia Japonica Hassk;

播种期对鸭儿芹采种及花芽分化影响的研究

resort to various expedients to get the money together

采取各种应急办法筹款.

What term of payment will you like to adopt ?

你们采用哪种付款方式?

adopt various flexible ways of conducting Business

采取多种灵活贸易形式

We use two ways of weaving our carpets.

我们采用两种编织手法，

A hand-shake procedure is used.

采取的是一种对接方法。

Such was the course adapted by him.

他采取的就是这种策略。

To adopt this method cannot save so much time and strength as to adopt that method.

采用这种方法不如采用那种方法省时,省力。

genetic immunization

基因免疫接种[采用基因疫苗进行接种]

The installations tested were of two kinds, each in duplicate.

试验中采用的装置有两种，每一种两份。

To take some action that permits another action to take place.

采取某种动作，使之产生另一种动作。

There are several techniques for working the face of the stope. Overhand stoping indicates working from a lower to an upper level; underhand stoping is the opposite, from an upper level to a lower level.

工作面回采技术有好几种。上向回采是指从下往上开采，下向回采则相反，从上往下开采。

Effect comparison of two kinds of method for pull out of the needle during venous blood collection by vacuum blood collection device

真空采血器静脉采血两种拔针方法效果比较

A new method of research on injection-production pressure system and reasonable injection-production ratio

注采压力系统及合理注采比研究的一种方法

A High-speed Data Acquisition System Based on Equivalent Time Sampling

一种基于等效采样技术的高速数据采集系统

actively engaged in a career or way of life.

积极地从事一种职业或者采取一种生活方式。