爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.theory of zero population growth
人口零增长论收藏指正
2.the goal is zero population growth.
目标是实现人口的零增长。收藏指正
3.The UN regular budget has had zero nominal growth for eight years, followed by a very slight increase for the current biennium – which nevertheless represents a reduction in real terms from the prior period.
联合国的经常预算8年来的名义增长率为零，本两年期也只有微量增长，且实际经费仍低于上一两年期。收藏指正
4.Economic growth is not zero-sum.
经济增长不会总和为零的。收藏指正
5.The effects of 70% Mancoze b, Thtophanate-methyl. thiram,70% Throphanate-Methyl,45% Lime sufur,55% Yi shuangmengxing WP and 50% Tuzet WP on spore germination were the highest,and th e spore germinating rates were zero at four concentrations. 1∶1∶100 Bordeaux mi xture was both effective on mycelial growth and spore germination.
抑制孢子萌发效果较好的化学药剂有 70 %代森锰锌WP、扑菌持WP、70 %甲基硫菌灵WP、4 5 %石硫合剂WP、5 5 %疫霜锰锌WP、5 0 %退菌特WP和 1∶1∶10 0波尔多液。收藏指正
6.Compared with zero-fertilizer, only organic fertilizer, or chemical fertilizer applications, compound organic and chemical NPK fertilizer applications greatly enhance soil microbial biomass in the whole corn growth period, increase the supply of soil nutrient and benefit soil fertility buildup.
研究结果表明，与无肥、单施有机肥、单施化肥相比，有机肥与N、P、K肥配合施用能显著增加玉米各生育时期的土壤微生物量碳、氮，促进土壤微生物量显著增长，增强了土壤养分容量的供应强度，有利于培肥土壤。收藏指正
7.The seasonal growth of larva at CSIA: two peaks of density appeared in June and September with mosquito density of 37%; average positive pot was 7.94, and zero during January and Febrery.
蚊虫季节消长,蚊幼虫季节消长全年最高峰是在6月和9月蚊密度为37%,阳性罐平均为7.94只在1、2月蚊幼密度为0进入越冬期;收藏指正
8.In this paper, we study the finite iterated order of growth and the iterated convergence exponent of the zero sequence of nonzero meromorphic solutions of second order homogeneous linear differential equation, and obtain some precision evaluation.
摘要研究了二阶齐次线性微分方程非零亚纯解的迭代级与零点迭代收敛指数，得到了它们的精确估计。收藏指正
9.The threshold value, of cupric ion vetivity (acu)is 10 -9.1mol/dm3, at which specific growth rare(μ) of the alga was uneffected by the acu,the value of acu reducing μ to zero is 10-7.0 mol/dm3,the 72 h.
铜离子活度(a_(cu))的阈值为10~(-9.1)mol/dm~3,此时藻的单位生长率(μ)不受a_(cu)影响;收藏指正
10.In this paper, the order of growth and the exponent of convergence of zero-sequence of solutions for solving equation f ″+e P(z)f ′+A(z)f=F, have been investigated, and its corresponding homogeneous differential equation f ″+e P(z)f ′+A(z)f=0, where P(z)=-mz n+a n-1z n-1+. . .
研究了P(z) =-mzn+an -1zn -1+… +a0 ,m >0为实常数 ,A(z)为超越整函数时 ,方程f″ +eP(z) f′+A(z)f=F与对应齐次方程f″+eP(z) f′ +A(z)f=0的解的增长级和零点收敛指数 .收藏指正
尝试查询
汉英释义