survey course
- survey course的基本解释
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概况课程
- 相似词
- 更多 网络例句 与survey course相关的网络例句 [注:此内容来源于网络,仅供参考]
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This paper introduces the outline of inside tunnel survey,and expounds the survey control in tunneling works from aspects of the construction traverse survey,midline layout survey,midline detection and tolerance,elevation control survey,vertical section survey and cross section survey,and breakthrough survey,etc.
介绍了洞内测量纲要,从施工导线测量、中线施工放样、中线检测与限差、高程控制测量、纵断面测量和横断面测量、贯通测量等方面阐述了隧洞工程测量控制。
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Province, Shijiazhuang, Baoding have been involved in two rounds of 61 cities nationwide survey and synthesis of MSM epidemic prevention and control work, 4-6 months of this year the third round of the survey will be carried out; the rest of the city of nine work-site investigations and Shijiazhuang, Baoding, the third round of the survey the same time, also in accordance with the national program of 61 pilot cities, the survey used a snowball method, sample size of 300 people, mainly MSM population survey of AIDS, syphilis, hepatitis C infection; Shijiazhuang, Baoding, the completion of the third round of the national survey At the same time, will also focus on the MSM population in rural areas of the outbreak investigation; in July 2009, municipalities to carry out data entry, upload, analysis and summary.
我省石家庄、保定已参与两轮全国61个城市MSM疫情调查与综合防治工作,在今年4-6月份将开展第三轮调查;其余9市的现场调查工作与石家庄、保定的第三轮调查同步进行,同样按照国家61个试点城市方案、采用滚雪球法调查,样本量均为300人份,主要调查MSM人群艾滋病、梅毒、丙肝的感染情况;石家庄、保定在完成全国第三轮调查的同时,还将侧重于农村地区的MSM人群的疫情调查;2009年7月,各市进行数据录入、上传、分析和汇总。
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The background survey and tracking survey of artificial reef area in Chenghai Laiwu were carried out before and after reefing in 2003 and 2007, respectively. The results indicated that after the deployment of artificial reefs, the biomass density of fishery resources increased by 25.63 times, which were much higher than before. The resources species was much more abundant; total number increased from 23 to 41, which increased by 0.78 times. The crab resources sharply increased by 1.75 times after artificial reef were deployed. Harpodon nehereus and Portunus sanguinolentus , which did not appeared in background survey, now became the dominant species in tracking survey. There were high diversity indexes in artificial reefs area and control area in tracking survey. In conclusion, the results indicated that the fish-aggregating effect of artificial reef site has improved a lot, and the community structure and the habitat environment have been significantly improved.
摘 要:2003和2007年分别对澄海莱芜人工鱼礁区进行了投礁前的本底调查和投礁后的跟踪调查,结果表明,投礁后礁区海域游泳生物的资源密度明显比投礁前高,增加了25.63倍;礁区海域各类资源种类均比投礁前丰富,总种数由投礁前的23种增加至41种,比投礁前增加了0.78倍,其中,蟹类种数增加最多,增加了1.75倍;在本底调查中没有出现的经济种类龙头鱼 Harpodon nehereus 和红星梭子蟹 Portunus sanguinolentus 在跟踪调查中已成为主要优势种;Shannon-Wienver多样性指数在礁区和对比区均比投礁前有所增加。
- 更多网络解释 与survey course相关的网络解释 [注:此内容来源于网络,仅供参考]
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survey course:概况课程
surveillant 监视者 | survey course 概况课程 | survey 测量
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survey course:概论课
sum up 总结, 概括 | survey course 概论课 | break new ground 创新; 开创新局面
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river course survey:河道调查
洪水调查 flood survey | 河道调查 river course survey | 冰凌调查 ice floe survey; frazil ice survey
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CIS: Course Interest Survey:课程兴趣调查
Two Measurement Surveys两种测量调查 | CIS: Course Interest Survey课程兴趣调查 | Motivational reactions to classroom instruction课堂教学的动机调查