查询词典 selection function

Artificial selection is a kind of directional selection, the results can produce different biological species.

人工选择是一种定向选择，结果可产生不同的生物品种。

Including variety selection (17 variety type ), seed selection, pre-seed shining, arrangement land, irrigation bottom water and fertilizer application methods.

包含品种选择(17种品种类型)、种子精选、播前晒种、整地、浇底墒水和肥料的施用等。

Therefore selection breeding of new cultivars with great ornamentalvalue and cold-resistant cultivars are very important Sexual crossing breeding and bud mutation selection breeding are conventional breedingmethods in Floribunda roses.

但因为其品种较为单一，且基本都依靠进口，缺乏具有我国自主产权的优良丰花月季品种，而且我国北方由于气温低，还没有可以广泛栽培并能露地越冬的品种，因此培育观赏性高的新品种和抗寒品种成为当前园林植物育种的热点。

Such as the 12mm plate butt welded flat bottom closure φ3.2mm the electrode selection, welding current :80-85A, filling, cover the surface layer of the electrode selection φ4.0mm, welding current :165-175A, a reasonable choice welding current and electrode diameter, easy to control bath temperature, is the basis for forming weld.

如12mm平板对接平焊的封底层选用φ3.2mm的焊条，焊接电流：80-85A，填充，盖面层选用φ4.0mm的焊条，焊接电流：165-175A，合理选择焊接电流与焊条直径，易于控制熔池温度，是焊缝成形的基础。

At the same time ,the cap of filter paper was used for improving transformation ratio. Leaf discs were transferred onto the media MS+ NAA(1mg/L)+6-BA(3mg/L)+Km(30mg/L)for regeneration resistant selction. Shoots from selection medium were cultured on medium MS +NAA(1mg/L)+6-BA(3mg/L)+Km(50mg/L) for selection again,and then on the media 1/2MS+NAA(0.2mg/L)+IBA(0.2mg/L)+Km(25mg/L)for rooting selectin.

共培养后把叶盘转入MS+ NAA(1mg/L)+6-BA(3mg/L)+Km(30mg/L)培养基上进行分化筛选培养。30天后可分化出不定芽，把不定芽转到MS +NAA(1mg/L)+6-BA(3mg/L)+Km(50mg/L)培养基上进行抗性芽的筛选，转到1/2MS+NAA(0.2mg/L)+IBA(0.2mg/L)+Km(25mg/L)培养基上进行生根筛选。

Selection rates for promotion to captain, major and lieutenant colonel remain extraordinarily high. The number of officers selected for battalion command, promotion to colonel and selection for the US Army War College, at Carlisle, Pennsylvania, is as good as it has been in the past 25 years and rivals that of any other branch.

选定晋升为上尉、少校、中校军官的人数比例是很高的。25年来，晋升为营长或上校以及选派到宾夕法尼亚州卡莱尔美国军事学院深造的军官数量一直都维持得很好，而且毫不逊色于任何其他分队。

Study content: Photoshop grasps the drawing the basic theory, the study color principle and the selection color, the scope selection, the tool and the cartography, the image editing, the control picture color and the tone, the use chart level, the way, the channel and the cover plate application, filters the mirror and so on.

学习内容：Photoshop掌握绘画的基础理论，学习色彩原理和选取颜色、范围选取、工具与绘图、图像编辑、控制图像色彩和色调、使用图层、路径、通道和蒙板的应用、滤镜等。

This paper introduces in detail the model selection problem of the mating equipment for the intellectual comprehensive mechanized mining face in Tunlan Coal Mine , which include the model selection of the hydraulic supporter, coal cutter, scraping transporter, scraping reversed loader, cracker, extensible rubber belt conveyer, emulsion pump, and spray pump.

简单介绍了屯兰矿智能化工作面综采设备的配套选型问题，包括液压支架选型、采煤机的选型、工作面刮板运输机的选型、刮板转载机和破碎机的选型、可伸缩胶带输送机的选型及乳化液泵和喷雾泵的选型。

Studied in with emphasis the color space selection, the target identification has determined the valve value the strategy and the characteristic point selection method.

重点研究了颜色空间的选取、目标识别中确定阀值的策略及特征点的选取方法。

Membership of the senators acquired on the election basis commences on the election day and membership of the senators acquired on the selection basis commences on the day the Election Commission publishes the result of the selection.

成员获得的参议员选举的基础上开始的选举日和成员的参议院获得的选择基础上开始的当天，选举管理委员会公布的结果选择。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样