施工人员正在用水准仪进行测距工作。
并估算了水准仪、经纬仪测滩结果的误差范围。
And the error ranges of the measurements with theodolite and level are evaluated.
水准仪的自动读数和自动记录产生了两种方式。
介绍了DNA03数字水准仪在沉降测量中的应用。
The paper presents the application of DNA03 digital levelling instrument in settlement measurement.
陀螺上的气泡水准仪可用以确定仪表的放置是否倾斜。
Spirit levels on the gyro may be used to determine whether the instrument has settled with a list.
所有预埋件及预埋螺栓固定时均高精度水准仪测定其标高。
While fixing all embedded parts and embedded bolts, high precise level meter is required for measurement of elevation.
电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；
Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level;
主要生产幻灯机，投影仪等电教产品及水准仪等测绘仪器。
Audiovisual products such as slide projector, projector, leveling instrument etc.
在原有数字水准仪基础上有较大改动，使之更适合本系统的应用。
It changed a lot on the base of water level and made it more appropriate for the system.
水准仪的测量方法很简单，但也需要通过多次的实践才能够掌握。
It is easy to use a water level to measure things, but you need to do many experiments before mastering it.
对于数字水准仪的检定项目与检定方法，目前，在学术界上众说纷纭。
At present, for the verification item and verification method of the digital levels, opinions are widely divided in academia.
数字水准仪在1990年推出，它的问世革新了传统意义上的水准测量。
The digital level was pushed out in 1990; its appearing has reformed leveling method to traditional meaning.
因此，导电液水准仪在电性能上相当于一电位计，中心电极相当于转臂。
The electrolytic level is therefore electrically equivalent to a potentiometer, the center electrode corresponding to the rotor arm.
绍介半导体激光束的准直整形方法，阐述半导体激光水准仪的设计方案。
Describes the ways to collimation and distortion of the semi conductor laser beam, and the designing plan of semi conductor laser water level matter.
用螺旋测微器测量水准仪平移的距离，从而得到钢丝长度的微小变化值。
The small variation of the steel-wire's length can be obtained by measuring the displacement of leveling bench with micrometer.
按图纸标高，用水准仪校准到统一高度，按位置记录并收紧螺纹千斤顶。
Screw jacks are put on the seat pads and adjusted to the same height using a leveling instrument. Then the screw jacks shall be fixed tightly and their positions recorded.
数字水准仪编码水准尺的图像处理是实现数字水准仪自动读数的关键技术。
Image processing for coded level ruler of digital levels is the critical technology to realize the automatic reading of digital levels.
本文对其在电子水准仪、电子经纬仪和GPS上的应用进行了较为深入的探讨。
This paper deeply discusses its applications in electronic level, electronic transit and GPS.
分析了数字水准仪系统的误差源，阐述了仪器i角误差和综合精度的检定方法。
In this paper, errors of digital levels are introduced. Calibration methods of the collimation error and the system accuracy are presented.
介绍了测距仪的使用，分析用测距仪代替水准仪进行3、4等水准测量的精度。
This paper deals with several problems in using distance measuring meter and the accuracy analysis in using it to make class 3 or class 4 leveling instead of leveling meter.
通过工程实例，介绍了高精密电子水准仪在沉降观测项目中的应用及其观测效果。
The application of high precision electronic level in settlement observation and the observation effect were introduced through project examples.
销售的测绘仪器从常规的光学经纬仪、水准仪到电子全站仪、GPS及其软件等。
Sales of surveying and mapping equipment from conventional optical theodolite, Level electronic Total Station, GPS and software.
传统光学水准仪主要靠人工目视读数，存在精度低、测量速度慢、易受人为影响等问题。
Less accuracy, lower speed and easy to be influenced by individuals are characteristic of the traditional optical level, on which the measured data are read by human eyes mainly.
投入人员近20人次，投入GPS接收机、水准仪、全站仪、平板仪测量仪器10多台套。
Investment officer for nearly 20 million, put GPS receivers, water level, total station, flat instrument more than 10 sets of measuring instruments.
在利用条码标尺定位测量的数字水准仪中，标尺条码图像的正确识别是实现水准测量的前提。
The correct recognition of bar code image is prerequisite for correct digital leveling with a bar code ruler.
文中以数字水准仪及标尺综合精度的检定为例，介绍了正交实验法在测绘仪器检定中的应用。
This article introduces perpendicular experimentation application in the area of mapping based on the example of colligate testing of digital level and staff.
本实用新型提供了一种自检式经纬水准仪，它是由仪器主体、仪架承体和标尺量体配套组成。
The utility model provides a self-inspection quadrillage level gauge which is composed of a gauge body, an instrument supporter and a scale measurement body.
利用物理摆原理导出了自动安平水准仪磁致误差的理论函数模型，建立了地磁场中的观测方程。
Based on the theory of horizontal pendulum, the theoretical function model of magnetic error of self adjusting level is deriveted, and observation equation in geomagnetic field is set up.
数字水准仪的出现解决了大地测量仪器中水准仪自动读数与记录问题，对当代测量技术产生了积极的影响。
The appearance of digital level solves the problem of level's reading in measuring instrument and makes more active effects in measuring technology at present.
在使用NA700系列水准仪时，随水平微动转动i角跳动比较大，请问对仪器本身精度是否存在影响？
When using the NA700 series of water level, with the level of micro-rotation angle i beat relatively large, may I ask whether there is accuracy of the instrument itself is affected?
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