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The species diversity status of important pollination insects, Bombus was investigated at three sites, Mengla County at low elevations, Nanjian County at intermediate elevations, and Deqin County at high elevations, in Lancang River Basin in Yunnan, China.

本文对澜沧江流域内热带地区的勐腊县、亚热带地区的南涧县和寒温带地区的德钦县3个低、中、高海拔地带的重要传粉昆虫———熊蜂属的多样性现状进行了观察研究，并与20年前的资料进行了比较分析。

The species diversity status of important pollination insects, Bombus was investigated at three sites, Mengla County at low elevations, Nanjian County at intermediate elevations, and Deqin County at high elevations, in Lancang River Basin in Yunnan, China.

摘 要 本文对澜沧江流域内热带地区的勐腊县、亚热带地区的南涧县和寒温带地区的德钦县3个低、中、高海拔地带的重要传粉昆虫——熊蜂属的多样性现状进行了观察研究，并与20年前的资料进行了比较分析。

Szechuanensis had mesophyte characteristics which were different across elevations; these differences contributed to their adaptation to a range of drought environment; the leaf thickness, vein thickness, vessel number, palisade mesophyll thickness and the P/S ratio were increased, while vessel diameter was reduced with increasing elevation, but no significant differences in epidermal thickness and spongy mesophyll thickness were found along the elevations.

随着海拔的升高，叶总厚度、栅栏组织厚度、P/S值和主脉厚度以及导管分子数目等均呈增大趋势，而导管分子直径减小；表皮厚度、海绵组织厚度等无明显差异。2多元统计分析显示，叶肉组织厚度和叶片总厚度主要受温和度的影响，并随着温和度的降低而增大；P/S值和导管分子数目主要与年降水量和土壤含水量的变化有关，随着水分增加，P/S值和导管分子数目增大，而导管分子直径减小。

Along the 3,400-m elevational gradient, species richness peaked at intermediate elevations and declined toward either high or low elevations.

在涵括3，400m的海拔梯度上，鸟种丰富度在中海拔出现高峰，往高、低海拔逐渐下降。

The climate of West Virginia borders on a humid subtropical climate in the lower elevations of the extreme southwestern part of the state and parts of the Eastern Panhandle east of the Appalachians with hot, humid summers and milder winters.

气候的西弗吉尼亚州的边界上湿润的亚热带气候的低海拔地区的极端西南部分国家和部分东部狭长的阿巴拉契亚山脉以东的高温，高湿的夏季和暖冬。

Based on the correlation analysis between Bouguer anomalies and station elevations, nine terrains and thirteen large faults were recognized.

中文摘要：作为亚东—格尔木地学断面研究项目的一个重要组成部分，于1987年完成了亚东一格尔木及东拉一尼木的重力补点测量1：50万）工作，共布设了226个测点，全长1670 km在这些测量数据的墓础上，计算了研究域内的莫霍深度和均衡异常，分析了地壳和上地幔的均衡信息。

Based on the differential surge tank commonly used in long-distance diversion hydropower stations, in which interconnecting holes with rational cross sectional area were arranged at different elevations of breast wall between outer chamber and gate shaft used as a riser, a study was made on the influences of interconnecting holes on the differential performance and differential pressure of the surge tank, and further surge analysis was performed through a case study.

对于长引水式水电站常用的差动式调压室，分析了其兼作升管的闸门井和大井之间的胸墙在不同高程上布置的面积合理的连通孔，对调压室的差动性能和压差的影响，并结合实际算例进行涌浪分析。

During bricklaying of the coke oven,several means can be applied in controlling the dimensions and elevations.

针对焦炉砌筑中施工测量放线以及控制线的设置及其作用，介绍了焦炉施工中线形尺寸及标高的控制方法，标高控制方法有直立标杆法和50mm线法；在砌筑过程中，必须进行沉降观测。

Giant pandas live in broadleaf and coniferous forests with a dense understory of bamboo, at elevations between 5,000 and 10,000 feet.

大熊猫生活在长有茂密箭竹的阔叶与针叶混交林里，海拔在5，000和10，000英尺之间。

During July the thickets at lower elevations come into their own with the pinkish-white flowers of the rosebay rhododendron, by far more common in the park than the catawba rhododendron.

七月是生长在低地的粉红色杜鹃花的黄金季节。这种粉红色杜鹃在大烟山公园要比紫红色的更为普遍。

To measure a length accurately to within a millionth of an inch, we must have a measure graduated in millionths of an inch; a yardstick graduated in inches is useless.

测量百万分之一英寸的长度，需要刻度为百万分之一英寸的量尺；对此，以英寸为刻度的码尺是毫无用处的。

This paper tries to make it clear the existing forms of the REE in gold-bearing pyrite in the Jinshan gold deposit by the stepwise dissolution test with ICP-MS analysis.

本文利用分步溶样ICP-MS测试方法对江西金山金矿含金黄铁矿中稀土元素作了详细的研究，试图弄清黄铁矿中稀土元素的赋存状态。