main leaf的例句大全

Apocheima cinerarius is one of main leaf eating pests in the area.

杨尺蠖属鳞翅目尺蛾科,是我区农田防护林主要食叶害虫之一.

The main leaf zenith angle distributions were horizontal and the most leaf azimuth angles were leaning to the south. Application of Azimuth in Orienteering

叶倾角分布主要以水平叶为主；按方位角行进在定向越野中的应用

Tea brown blight ( Guignardia camelliae) is one of several main leaf diseases of tea plant, having been more serious in some areas in recent years.

茶云纹叶枯病是茶树叶部主要病害之一，近些年来在局部地区发生比较严重，针对这种病害我们进行了相关研究。

Go through the stacks or bundles of cured leaves and strip out the main leaf stem from each leaf.

通过堆叠或治愈叶束和剥离出每片叶子的主要的叶茎。

The main results are: 1 Present a new photogrammetric method for leaf area.

提出了一种照相法测量叶面积的方法。

Mapping QTLs for Total Leaf Number of the Main Stem and Its Related Traits in Rice

水稻主茎总叶数及其相关性状的QTL分析

Relationship Between Leaf Emergence on Main Stem and Spike Differentiation Stages in Wheat

小麦叶片出生与穗分化关系的研究

The main period of egg hatching, which is the favourable opportunity for its control, lasts ho the flower fall-en to the first leaf Spreda out.

越冬卵孵化盛期为落花后至第一片叶展开之际，这是防治的有利时机。

Relationship between meteorological factors and leaf growth speed of main stem at the different growth stages in rice

水稻不同生长阶段主茎增叶速度与气象因子的关系

The more runners they were left with at the topping time, the more quickly the varieties increased their leaf area at the seedling stage, but the increased runner numbers could speed up the aging of the leaves on the main vines.

摘心时预留子蔓数越多，甜瓜幼苗期叶面积扩展速度越快，但留蔓数增加会促进主蔓叶片衰老。

The experiment of irradiation disinsection for two kinds of the main storehouse tobacco insects ( Lasioderma Serricorne and Ephestia elutlla) was carried out, including the analysis of tne main composition of tobacco leaf before and after irradiation.

对两种主要烟草仓储害虫进行辐照杀虫试验，并同时分析了烟叶主要成份辐照前后的变化。

The survival rate of seedling was lowest before 2 leaf stage, that is the main stage for serious lodging of seedling.

幼苗2叶期前成苗率最低，是辣椒苗倒伏严重的主要时期。

The results showed that 4 traits& seed yield per plot, length of main inflorescence, leaf length of seedling leafage and silique number on main inflorescence, had high heterosis.

结果表明，小区产量、主花序长、叶丛期叶长叶宽及主花序角果数的优势较强。

The main results obtained from the experiments are as follows: 1. Sulfur promotes the growth and development of soybean plant, increase the accumulation of biomass and rate of leaf area of soybean.

主要结论如下：1.硫素能够促进大豆植株生长发育，提高生物量积累和叶面积增长速率。

Compared with the ZM treatment, the SM treatment significantly increased the leaf area per plant, main root length, gross root length and root dry weight per plant of rice.

旱作条件下，稻草覆盖旱作的水稻分蘖数、叶面积、根系生长明显优于裸地旱作。

evaluation of main agronomic traits in four different leaf types pinellia ternata

4种叶型半夏主要农艺性状的比较研究

This paper summaries the studies on chemical modification of pineapple leaf fibers, and expounds on the main chemical modification methods and subsequent results.

概述国内外有关菠萝叶纤维化学表面改性的研究情况，介绍其主要的化学改性方法和改性后取得的结果，以及改性菠萝叶纤维在增强聚合物基复合材料中的应用研究。

The main indexes which affected leaf yields were root diameters, long branch number, long branch length, the ratio of seedling height to crown diameter, and the ratios of crown diameter to leaf layer depth.

对当年叶产量影响最大的指标分别为地径、长枝数、长枝长、高幅比及冠长比。

The most important factors for yield were single-fruit seed weight and single-fruit seed number, less important factors were kilo-grain weight, single-fruit weight, length of main vine and leaf number.

对产量影响最大的因素是单瓜种子重、单瓜种子数，其次是千粒重、单瓜重、主蔓长、叶片数。

Single-fruit seed weight, single-fruit weight, kernel weight and producing-kernel ratio were improved by controlling the length of main vine and leaf number during the course of selecting breeding aiming at multi-trait.

以多个性状为目标的选择育种过程中，通过控制主蔓长和叶片数，从而提高单瓜种子重、单瓜重、种仁重和出仁率。