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1·In this paper, radial investigation depth of acoustic logging is researched with the well that is surrounded by the cylindrical multi-layer media.

根据这些曲线的变化，简单分析了声波测井的探测深度。

2·ALL can provide 4 logs that have different investigation depth. They can be used to inverse invasion radius, invasion zone resistivity and virgin zone resistivity.

利用阵列侧向测井提供的4条探测深度不同的曲线，联合反演侵入半径、侵入带电阻率和原状地层电阻率，具有很好的效果。

3·So, the investigation depth of spontaneous potential logging is the depth of mud invasion, and relation between spontaneous potential and mud invasion depth may be built.

因此，可以得出自然电位测井的探测深度就是泥浆侵入深度，并可建立自然电位与泥浆侵入深度之间的关系。

4·Thin bed resistivity logging (abbreviation TBRT) is a new kind of high resolution deep investigation resistivity logging and characterized by high vertical resolution and deep investigation depth.

薄层电阻率TBRT测井是一种新型的高分辨率深探测电阻率测井，显著特点是具有较高的垂向分辨率和较大的探测深度。

5·As the alert level increases from analytical to process control to compliance alert, the depth of investigation should increase.

因为警戒水平从分析到工艺控制再到符合性警戒逐步增加，调查的程度也应该增加。

6·The depth of an investigation and the corrective measures taken may depend on the potential or implied risk to product quality.

调查的程度和所采取的纠正措施取决于产品质量的潜在风险。

7·I would like to mention the documentary of current affairs, which is an investigATion in depth of a single subject AT home or abroad.

我带想谈谈时事纪实节目，它是对国内外某一问题的深入探索。

8·OOT alerts can be classified into three categories to help identify the appropriate depth for an investigation.

OOT警戒可以分为三种类型，用来确定调查的适当程度。

9·The professor has carried out an investigation in depth, and intends to publish his findings soon.

教授已进行了深入的调查，打算不久公布他的调查结果。

10·The present problems mainly lie in lack of theoretical depth, the narrow scope of social investigation and lack of practical feasibility of tactics put forward by the researchers.

研究中存在的问题主要表现为缺乏理论深度、社会调查范围不广、提出的一些对策缺乏实践操作性。