look down

The paper introduces applications of down-hole TV in checking structure of water source well and pipe fault, inducting to fish dropped material, checking and accepting water source well, checking formation structure and formation stress analysis of water source well and its obtained economic and society benefit.

简要介绍了井下电视在大港油田水源井水井结构检测、井管故障检测、指导落物打捞、水源井验收、地层结构检测及水源井地层受力分析等方面的应用情况,及应用井下电视检测所取得的经济效益和社会效益。

Utilizing axial view downhole TV(ATV) and digital panoramic borehole camera system(DPBCS),continuous images of 360°borehole wall are obtained from forward-looking and side-looking,respectively.

利用前视井下电视和数字钻孔摄像,分别从前视和侧视对整个钻孔的360°孔壁进行连续摄像;通过图像特征对孔内现象进行定性描述和定量分析,发现其具有高分辨率、高井壁覆盖率和直观可信等特征。

Design and implementation of BHTV logging tool connection with ERA2000 surface logging system.;

井下电视配接ERA2000成像测井地面系统的设计与实现

The distribution of fissues and vugs in the buried hill reservoir is described by using diplog, BHTV and fracture log data.

综合应用地层倾角、井下电视和裂缝识别等测井资料,描述古潜山的裂缝和孔洞的分布,并对今后的勘探工作提出建议。

[Results]Poor eyesight rate grew with higher grade,but the growth rate altered bigger in low-grade students than high-grade students;the situation of kids in urban school and primary school were worse than kids in suburban school and ordinary school,but the poor eyesig.

[目的]了解钦州市小学生视力低下的情况,为做好小学生视力保护预防工作提供依据。

hypothalamoneurohypophyseal system

下视丘神经垂体系统

The Vision Monopoly and Vision Settlement in the Background of Visual Culture

视觉文化背景下的视觉垄断与视觉殖民

inferior nasal arteriole of retina

视网膜鼻侧下小动脉

arteriola temporalis retinae inferior

视网膜颞侧下小动脉

separation of bicuspid valve under direct vision

直视下二尖瓣分离术

venula temporalis retinae inferior

视网膜颞侧下小静脉

venula nasalis retinae inferior

视网膜鼻侧下小静脉

She looked at the lower part of the carriages.

她凝视着车厢的下面。

visual approach slope indicator

目视进场下滑道指示器

He throw down the magazine and turn on the tv

他扔下杂志,打开了电视

remote-controlled underwater television camera

遥控水下电视摄影机

borehole televisor

声波井下电视测量仪

The price of TV set is down.

电视机的价格下降了。

She cast her eyes down to avoid direct eye contact.

她垂下双目以避免对视。

He glances at the front page.

他扫视了一下头版。

Her eyes drifted around the room.

她的目光扫视一下室内。

He glanced over the papers.

他扫视了一下文件。

His glance swept from right to left.

他从右到左扫视了一下。