水准标尺

In this article, special emphasis is laid on level survey principle: under same between forword sight and backsight staffs, height difference between two points-for- word sight and backsight h=a-b.

本文着重论述了前后视标尺根值相等的水准测量原理：（1）前后视标尺所立之间相同时，前后视两点高差为：h＝a－b。

Geodetic leveling should be done with staves in which the divisions are marked on a strip of invar.

大地水准测量必须使用刻度标于不胀钢片上的水准标尺。

Geodetic levelling should be done with staves in which the divisions are marked on a strip of invar.

大地水准测量必须使用分划刻在因瓦带上的水准标尺。

The sliding sight on a surveyor's leveling rod.

标板：勘测水准标尺上的滑动观测器

With the determination of the ground water level and standard gauge height difference between the two methods.

用水准仪和水准标尺测定地面两点间高差的方法。

The neckline of a cardigan style jacket can also benefit from having its front neckline edges stabilized with a strip of interfacing.

大地水准测量必须使用刻度标于不胀钢片上的水准标尺。

Since the 1990 Leica's first digital electronic level come, Leica and Zeiss have succeeded in the market of digital electronic level to achieve a level of precision ruler awarded, gauge partition, and sight reading read, data storage and processing, automated data collection, thereby reducing the level of measurement of labor intensity and improve the quality of the measurement and results.

自 19 9 0年徕卡公司第一台数字电子水准仪问世，徕卡公司和蔡司公司相继成功地将数字电子水准仪推向市场，实现了水准标尺的精密照准，标尺分划读数和视距的读取、数据储存和处理等数据采集的自动化，从而减轻了水准测量的劳动强度，提高了测量和成果质量。

Standard measurement method is to use Levels to provide the level of attention, observation points on the ground to erect the standard of scale, respectively, on the scale reading to read to the projection of the elevation difference between two points.

水准测量法是利用水准仪提供的水平视线，观测竖立在地面两点上的水准标尺，分别读取尺上的读数以推算两点间的高差。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。