1) immunization coverage rate
免疫覆盖率
2) no-tillage with mulch
免耕覆盖
1.
Water consumption characteristics and soil environment for summer corn under no-tillage with mulch;
免耕覆盖夏玉米耗水特性及土壤环境变化研究
2.
Analyzing reason that low water use rate in karst area,combining with the characteristic of no-tillage with mulch,it is suggested that no-tillage with mulch is an effective approach improving water use in karst area.
通过分析石山地区水分利用率较低的主要原因,结合免耕覆盖对土壤影响的特征,提出免耕覆盖是提高石山地区水分利用的有效途径:有效地遏制石山地区石漠化进展,保护好地表;减少石山坡地的水土流失,提高水分有效利用率;保护和改良土壤结构,提高土壤含水量;提高作物对水分的有效利用;保护农田生态环境。
3) no-tillage with straw mulch
覆盖免耕
1.
Effects of no-tillage with straw mulch on water saving and soil temperature;
覆盖免耕的节水效应与土壤温度的变化
2.
Effects of no-tillage with straw mulch on evapotranspiration and soil water for pea under storage irrigation;
覆盖免耕储水灌溉对豌豆的腾发量和土壤水分效应的影响
4) coverage rate
覆盖率
1.
(2) The project will reduce vegetation coverage rate 0.
4hm2,永久占地造成的农作物产量损失约704045kg/a;工程建设将使评价区植被覆盖率减少0。
2.
After analyzed,the exciting laser intensity,the coverage rate and the numerical aperture of objectives are selected for experimental research.
经分析选取了激发光强、覆盖率和物镜的数值孔径作为实验研究对象。
3.
In addition, the sandstorm decreasing is directly resulted by the coverage rate increasing in recent years.
进一步分析表明 ,地表植被覆盖率的增长 ,是近年来通辽地区沙尘暴日数减少的直接原
5) hydrogen coverage
氢覆盖率
1.
The characteristics of hydrogen permeation were explained in terms of the hydrogen coverage and the porosity of deposits during the electrodeposition of Zn-Ni alloy.
结果表明,氯化物体系比硫酸盐-氯化物混合体系渗氢电流小,用电镀过程中的氢覆盖率和镀层孔隙率对渗氢特点进行了解释。
6) coverage
[英]['kʌvərɪdʒ] [美]['kʌvərɪdʒ]
覆盖率
1.
The distributing characterastics of the polymetallic nodule s coverage in China Pioneer Area;
中国开辟区多金属结核覆盖率分布特征
2.
The inconsistency of the density degression grid ring is listed as incresing the fabric density and the retain of the original fabric coverage.
讨论了递减密度网格圈对细纱条干及毛羽可能存在的不利影响,同时,通过分析研究指出了递减密度网格圈一方面增加了织物密度、另一方面又保留了原有织物覆盖率的自相矛盾之处,进而给出了一种三段式变密度网格圈的基本原理及织造方法。
3.
Methods Bias of estimates and coverage of 95% confidence intervals were compared across the three statistical methods through computer simulations according to a pupil based somatic study under different values of the regression coefficient parameters and intraclass correlation coefficient.
方法根据一个某区小学生躯体化症状调查建立模拟数据进行分析,设置不同的参数值及内部相关系数,比较参数估计偏倚及95%可信区间的覆盖率。
补充资料：“两基”人口覆盖率
%26#8220;两基%26#8221;人口覆盖率：指一个地区按照国家规定的有关验收标准，已实现%26#8220;基本普及九年义务教育、基本扫除青壮年文盲%26#8221;的县（包括县级行政单位）的人口数之和占本地区总人口数的比重。2002年、2003年全国%26#8220;两基%26#8221;人口覆盖率分别为91％和91.8％。2004年国务院批准实施《国家西部地区%26#8220;两基%26#8221;攻坚计划》，目标是到2007年底在西部地区实现基本普及九年义务教育，基本扫除青壮年文盲。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条