查询词典 stem from

We all know that the correct method of cutting the stem should be cut from the Department of nest hollow in the end.

我们都知道，正确的切法应该是从茎部切到底部窝凹处。

In the spring, reduced growth may result from cutting a long stem, which removes a large number of leaves.

在春季，低增长，可能是由于长期干切削，它消除了大量的树叶。

The most suitable explants for in vitro growth were shoot-tips and stem segments from sprouting cutting which were plugged in water or in vermiculite under weak light more than 24 h.

最适合的外植体是新切下的枝条插入含有蛭石和充足水的营养钵中24h以上，使其在弱光下迅速长出嫩枝的茎切段和茎尖。

From the research result mentioned above, it was concluded that the selection of excellent single shoot tissue culture seedlings was an effective approach to guarantee fast growth and high yield of rattan plantation; the application of advance planting technique, such as controlling planting time, seedling number per group and spacing was very important for the purpose of minimizing unfavorable effect of rattan planting on upper trees, increasing cane yield and improving the level of economic gain; the determination of optimal harvest regime by adjusting the first harvest time, the lower limit of stem length for cutting as well as the harvest interval offered technical support to utilize resources reasonably and sufficiently and to enhance the economic benefit dramatically.

综合分析，通过组培快繁技术选择优质组培单芽藤是保证藤林速生丰产的有效途径；根据藤种的生物学特性，选择适宜的林地和上层林分，采取调控种植时间、丛栽株数和株行距等造林措施是减少棕榈藤间种对上层树种不利影响、有效增加原藤产量和提高林地增益水平的关键措施；而通过控制初始采收龄、起采茎长和采收间隔期，确定藤林最佳采收方式是促进资源充分利用、提高藤林的经济效益的有力保障。

The objective of this paper was to study from three aspects, respectively: Breeding of transgenic rice restorer line for multiple resistance against bacterial blight, striped stem borer and herbicide; Marker-assisted breeding of pyramiding rice fragrance gene and multiple bacterial blight resistance genes; Molecular mapping of transgene cry1Ab in transgenic rice.

本论文主要开展了三个方面的研究：多抗性(抗白叶枯、螟虫、除草剂)转基因水稻恢复系的培育；水稻香味基因与抗白叶枯基因的聚合育种；转基因水稻中转cry1Ab基因的分子标记定位。

The results showed that the best formula of agronomic measure for yield of essential oil from spearmint ≥82.5 kg/hm2 and good quality was sowing time form 7th November to 22nd November, density 251000~362000 plant/hm2,fertilizer application of pure N 169.2~214.5 kg/hm2、P2O5 91.8~134.0 kg/hm2,and the optimum time for harvesting was when the buds reached about 10% of the main stem.

结果表明苏格兰型留兰香精油产量≥82.5kg/hm2且品质优的农艺措施的优化方案为：播期11月7日—11月22日，密度25.1~36.2万苗/hm2，施肥量纯N 169.2~214.5 kg/hm2、P2O5 91.8~134.0 kg/hm2，最佳收获期为主茎10%左右的花蕾开花期。

Plunger valve is from the valve body, valve cover, stem, plunger, hole frame, sealing rings, hand wheels, of parts.

柱塞阀是由阀体、阀盖、阀杆、柱塞、孔架、密封环、手轮等零件组成。

Corrosion products formed by these reactions can prevent normal valve operation and can become embedded in the elastomeric stem tip, preventing the valve from making a complete seal.

这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。

Corrosion products formed by these reactions can prevent normal valve operation and can become embeddedin the elastomeric stem tip, preventing the valve from making a complete seal.

这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。

A part, such as a stem, leaf, or root , removed from a plant to propagate a new plant, as through root ing or grafting.

插条从某一植物上切除一部分并用来繁殖出一棵新植物，如茎、叶或根，通过扎根或嫁接

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。