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Based on the dataset of 52 plots investigated from the field,the interspecific relationship among 31 dominant populations of the communities of abandoned land in Guandi Mountains,Shanxi was studied by using χ^2 test for 2 × 2 contingency tables,Pearson's correlation coefficient test and Spearman's rank correlation coefficient test, respectively.

根据野外52个样方的调查数据,运用2 2列联表的χ^2检验、Pearson相关系数检验和Spearman秩相关系数检验研究了山西关帝山撂荒地植被31个建群种和优势种种间关联和相关关系。

Multipleprediction regression equations on surface runoff and soil erosion quantities are givenin the dissertation.The prediction errors of these equations are about 15% to20%.

另外,应用地表径流小区观测资料推算土壤的抗冲性指标一抗冲模数,能够真正地反映野外降水击溅和径流冲刷对土壤侵蚀量大小的影响。

Opened in June 1993, the center is at the forefront of efforts to educate people about the value of wolves in the ecosystem and to encourage the reintroduction and wide distribution of wolves in the wild.

开放使用于1993年6月,该中心是在全国最前列的努力,向市民灌输的价值狼在生态系统中,并鼓励再引入,并广为分布使狼回归野外。

Several representative regions including humid subalpine area, arid valley and the adjacent recovery area and the plateau region of Minjiang riverhead were selected to study the soil nutrient and biodiversity change. Based on field vegetation investigation, soil sampling and analyses, Ecological effects of land use/cover in these regions were discussed. Also in corporation with the social and economic data, the recovery methods of different degraded region were put forward.

研究选取亚高山湿润区域,半干旱河谷区及其恢复区,岷江源头高原面区域作为重点,通过大量的野外植被调查,土壤采样分析,多元统计方法等研究典型区土地利用/覆被变化的生态效应;并根据社会经济资料和调查数据和土地覆被-土壤相互作用规律,提出了岷江上游生态恢复对策。

The growth of oocytes is faster at higher temperatures and longer daylength. There is an effect of low temperature on the gametogentic cycle and synchronous mature of gametes of the sandworm.

野外调查和室内实验结果都表明,种群卵细胞发育的起点温度为5℃;环境水温的低温效应对沙蚕生殖周期和卵母细胞同步性成熟具有深刻影响。

American sharpshooter. She was the star attraction of Buffalo Bill's Wild West Show.

美国女神枪手,她是鲍福勒·比尔的西部野外演出会上的明星人物。

There are an estimated 400 to 500 Siberian tigers living in the wild, and recent studies suggest that these numbers are stable.

据估计在野外有400到500只西伯利亚虎,近期的研究表明该数据是可靠的。

Major producers of military and civilian outdoor tent pole bracket, leisure travel with the climbing pole, ski pole, pole competition with products such as the arrow.

主要生产野外军用和民用帐蓬支架杆,休闲旅游用的蹬山杆、滑雪杆、比赛用的箭杆等产品。

After a while.when the 1ioness returned with some food for her sons,she found only two little skinless bodies.

当她发现爱儿不见了,急忙四处寻找,终于见到两只被剥去了皮的小狮子的尸体被遗弃在野外。

The simulator equipment can monitor various embankments with different boundary conditions,such as temperature,distributions of soakage line and scales.

堤坝渗流模拟装置可实现不同水温、不同浸润线、不同规格堤坝和堤坝渗流程度的重复模拟,给出了一种野外专用的传感光缆实验结果。

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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。