英语释义

1. a main trunk or channel: such as

2. the main course of a river or stream

3. the main street of a city or town

片语

common main stem road普通干线公路

computer main-stem network计算机骨干网

main piston stem主活塞桿

main pipeline干线；主管道

main line干线；大静脉

Main Stem Magnifier干线放大器

main stem superiority主茎优势

main valve stem nut主阀桿螺母

right main-stem bronchus右主支气管

main-stem type主茎型

main valve stem主阀桿

英汉例句

• the backup seal is secondary to the main stem seal assembly (20) in the bonnet (12).

  备用密封件是阀帽（12）内主阀桿密封组件（20） 的二级密封。

• the use of ses implantation was not restricted to 「on-label」 indications, and target lesions included in-stent restenosis, vein graft, left main stem locations, bifurcations, and long lesions.

  ses置入不受「标签」适应证的限制，靶病变包括支架内再狭窄、静脉搭桥、左主干局部病变、分叉病变和长病变。

• this paper introduces the development environment and overall design of the groundwater information management database system of the main stem area of the second songhua river.

  介绍了地下管线信息系统的研究背景，设计了一个地下管线动态元数据库模型，讨论了元数据的存储、管理、录入、检索等技术问题。

• there are low precipitation and high evaporation in xinjiang while water surface evaporation main stem from water loss of river runoff.

  新疆降水稀少、蒸发强烈，水面蒸发是河川径流水量损失的主要组成部分。

• in this model, the fresh matter production and allocation of the main stem of winter wheat were simulated as well as the development of topological and geometrical structure.

  根据实验数据估算模型的参数，模拟出了冬小麦在不同生长阶段的结构。

• the floret number was significantly correlated with the weights of leaf, leaf sheath, whole main stem or tiller, and leaf area, but not with the length of stem.

  孕穗期小花数均与叶面积、叶片重、叶鞘重和总干物重呈显着或极显着正相关，而与茎高的相关不显着。

• the dm patients suffered more from multi-vessel lesions(p0.01), left main stem and diffuse lesions(p05 or 0.01).

  糖尿病组左主干病变和弥漫性病变血管支数均高于未合并糖尿病组（p0。05和p0。01）。

• the system of flood control works in the yangtze basin is comprised of flood diversion and storage works, flood dikes and reservoirs on the main stem and its tributaries.

  长江分蓄洪区工程与堤防工程和干支流水库工程共同组成了长江流域防洪工程体系。

• the rice culture is a population culture, which is made of the individual, and the productivity of every plant is based on the yield factors of different main stem nodes.

  水稻生产是在群体条件下进行，而群体是由个体构成，个体生产力则由主茎不同节位的产量因素构成；

• finalleaf number on main stem could be a reliable measure for wheat vernalization response.

  主茎总叶数的变化是量测小麦春化反应性的一个可靠指标。

• study on the effects of vacancy plant of soybean, making ue of a variety of main stem type and a variety with branch.

  利用一个主茎型和一个分枝型品系，研究了大豆在不同长度断条下的缺蔸效应。

• cut the main stem about 12 to 15 centimeters below the head.

  在菜尖下方12-15厘米处把主茎割断就可以了。

• based on the dynamic relationship of population main stem and tiller number, leaf area index and dry matter accumulation to variety type, eco-environment factors and.

  在适宜指标预测时，系统根据水稻适宜动态指标知识模型，为用户设计出适宜的叶面积指数动态、群体主茎和分集动态、干物质积累动态和植。

• the author, however, holds the view that eagleton is a warrior with the profound thought of deconstruction, which is a main stem in the course of his thoughts.

  伊格尔顿被誉为西方着名的马克思主义文艺批评家、文化理论家，他对文学、美学等领域所做的贡献是不可估量的，但笔者认为，他更是一个具有深刻解构思想的时代斗士。

• it is always a tough issue for both our road management department and theory field that how to solve the problem of investment and financing of common main stem road.

  如何解决普通干线公路的投融资问题，是一直困扰着我国公路主管部门和理论界的难题。

• the leaf ages at the begin growing period of main stem are 3 for spring varieties, about 4 for semi winter varieties, and about 5 for winter varieties.

  主茎生长锥伸长时叶龄春性品种为3片左右，半冬性品种为4片左右，冬性品种为5片左右。

• the key to represent the forthright direction of chinese advanced culture is to found the culture pattern of 「the one main stem with many other branches」, and to exact the culture functions as…

  建立「一主多元」的文化格局并充分发挥文化在提高人的素质、提高生活质量和提高精神境界诸方面的功能，是代表中国先进文化前进方向的关键。

• the samples of branch with leaves and ear showed more comprehensive effect, while the ones of root and main stem did poor.

  其中带叶茎枝和花穗的综合作用较优，而根及粗茎最弱。

• the new research shows that the buds on the side cannot export their auxin into the main stem because it is too full.

  这项新的研究显示侧边的芽体无法将它们的茁长素输送到主茎秆是因为主干内太过饱和了。

• the disease of the artery stenosis or occlusion involves totally the main stem of the cerebral artery, and multiple artery stems can be impaired in the group of younger childeren;

  脑动脉闭塞或狭窄均累及脑动脉主干，年龄越小多支动脉受累越多见；

• under the development of containerization, the stratagem of main stem and lateral model has been taken by all the big container liner companies in order to adapt to the economy of scale demands.

  随着集装箱运输业的发展，大型航运企业纷纷采取干支线班轮运输方式，以资充分发挥大型集装箱船舶的规模经济性。