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Under the condition of irrigation, the length of guard cells in wheat flag leaf were shorter relatively, the range of their distribution was more centralized; in the dryland the length of guard cells in wheat flag leaf w...

在灌溉条件下，旗叶保卫细胞相对较短，分布范围较集中，在旱地中，旗叶保卫细胞相对较长，分布范围也较集中。在水地和旱地中，小麦旗叶保卫细胞长度分布相同者一般为耐旱性较强的品种。反之，则为耐旱性较差的品种。

The 25% leaf removal and 50% leaf removal in standard were imposed on cotton plants respectively with scissors to simulate the process of field pest herbivory.

研究了棉花在叶片损失后产生的超补偿现象和超补偿下棉叶中的保护酶活性的变化。

Hydathodes are found at the leaf tips or along the leaf margins.

排水器通常位于叶片尖端或是沿着叶片边缘分布。

Among the four upper leaves on the stem, the physiological and biochemical indices and leaf color of the 4〓 leaf from top responded quickly to change of the plant N level or the N gap between source and sink, suggesting that its color may be a good indicator of plant N status.

当植株氮水平提高或氮素供需差缩小，叶片的氮代谢能力明显增强，碳代谢能力明显减弱；叶片内蛋白氮、非蛋白氮、叶绿素和生长促进型激素的含量提高，可溶性糖和淀粉含量降低；叶片向外输出的氮和糖减少，叶片的衰老过程被延缓。

In order to keep consistent with the character of remote sensing-based vegetation phenology detection, the essay use "vegetation greenness period" to replace "vegetation growing season", and chose leaf unfolding and leaf coloration of local plant communities as indicator events to show the start and end of vegetation greenness period.

本文基于植被物候遥感监测的原理和特点，选择使用&植被绿度期&来代替&植物生长期或生长季&等概念，并将植被的绿度始期对应于植物开始展叶的时期，将绿度末期对应于植物叶开始变色的时期。

Oolong tea ; making the green leaf with cutting ; moisture content ; leaf appearance ; quality

乌龙茶；切细做青；含水率；叶象；品质

It was found that Du728 colonized mainly in the hydrathods on rice phylloplane afterDu728〓 spraying and in the leaf wounds after leaf cutting inoculation with the strain.

结果表明：Du728可以在水稻叶片和伤口定殖，在叶片上主要定殖于水孔。

Cutting early leaf group has consider effect on root yield,sugar content and the width of root.Cutting late leaf group considerably decrease the number and density of vascular bundle.Cutting No.1 to No.30 leaves has greatest effects on sugar beet.

为此 ，我们在对旱地甜菜生长规律初步研究的基础上 [4～ 5] ，对旱地甜菜光合叶片生长特性及其对块根产量、含糖量的影响作用进行了研究，以期为旱地甜菜的栽培和育种研究提供依据。1 材料与方法1 。1 试验概况

The outputs of ZELIG model was used to 1evaluate the environmentalfactors which influence the growth of tree species of broad leaf korean pine forestin Changbai mountain;2simulate the dynamics of main types of forest in broad leafkorean pine forest zone and 3simulate the effect of selective cutting experiment onbroad leaf korean pine forest.

本文以森林Gap模型的理论为基础，通过大量的外业调查，建立了长白山阔叶红松林的ZELIG模型，并根据ZELIG模型的模拟结果对长白山阔叶红松林带的树木生长的环境因子进行了评价，同时对阔叶红松林带内的几种主要的森林类型进行了动态模拟，最后运用ZELIG模拟了阔叶红松林的择伐试验。

Leaf after leaf of the fine gold, the Swallow picked off and took to the poor.

叶罚款后，金箔，燕子起飞和挑选了穷人。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。