1)  eMbedded Visual C++4.0
eMbeddedVisualC++4.0
2)  EM
EM
1.
APPLICATION OF EM BIOLOGICAL TECHNIQUE OF IMPROVING THE RURAL AGRICULTURAL ENVIRONMENT;
EM生物技术在改善农村生态环境中的应用
2.
Effect of EM and Continuous Cropping Ground to CaM of Panax quinquefolius;
EM处理老参地对西洋参内源CaM影响的研究
3.
Effect of Different EM Treatments on SPADR in Corn Growth;
EM浸种处理对玉米叶色值的影响
3)  effective microorganisms
EM
1.
Effects of effective microorganisms on the growth of potatoes;
EM对马铃薯生长的影响研究
2.
Based on the experiment,this paper introduced the results of purification of effective microorganisms to domestic sewage,and discussed the effect of puriffcation of Bewage by different effective microorganisms throwing methods.
试验研究了EM对生活污水的净化效果,分析了不同EM投放量以及EM对不同性质的生活污水净化效率及选择性,并对其经济效益进行了估算。
3.
Effective microorganisms(EM),as a complex of many beneficial microorganisms,play an important role in increasing growth rates of animal,enhancing disease resistance,decreasing the contamination of manure and improving the ecological environment etc.
EM(有效微生物)是含有多种有益微生物的复合制剂,在促进畜禽生长、提高畜禽抗病力、减轻粪尿恶臭以及改善生态环境方面均具有重要作用。
4)  Effective Microorganisms (EM)
“EM”
1.
Using of Effective Microorganisms (EM) in Animal Production and It s Application Prospect;
“EM”制剂在畜牧业中的作用及其应用前景
5)  EM pacolin
EM pacolin
1.
Effect of EM pacolin on the quality of pork;
EM pacolin对猪肉品质影响的研究
6)  EM-DAT
EM-DAT
1.
Emergency Events Database (EM-DAT) and Its Applications;
EM-DAT灾难数据库概述及其应用研究
参考词条
补充资料:宾得fa20-35mmf4.0al

宾得fa 20-35mm f4.0 al基本参数

镜头结构 8组10枚

对焦方式 自动

焦距 20-35 mm

aps焦距 30-52.5 mm

卡口类型 宾得卡口

宾得fa 20-35mm f4.0 al光学参数

最大光圈 4.0

最小光圈 22

最近对焦距离 0.3 m

最大放大倍率 0.16 倍

滤镜口径 58 mm

镜头直径 69.5 mm

镜头长度 68 mm

镜头重量 245 g

镜头类型 变焦

镜头用途 广角镜头

说明:补充资料仅用于学习参考,请勿用于其它任何用途。