低技术的

This paper discusses the application of horizontal directional drilling technology in shallow least permeable aquifer groundwater extraction.

对导向钻进铺管技术在浅层低渗透性含水层地下水开采中的工艺进行了详细探讨。

Neutral section insulator and autotransformer are needless because of the same voltage level in each sector. Furthermore, it inherits the advantages from autotransformer such as effective communication protection and superior performance of general economy and technology.

该系统各供电区段电压相同，可以取消分相绝缘器；变压器成本低，省出口自耦变压器；继承了自耦变压器供电方式通信防护效果好，综合经济技术性能优越的特点。

As a result of its lower cost and simpler operation method,the mechanical connections promote the quality of concrete structural steel bar connection,accelerate the construction progress and reduce the project cost.

近年来，钢筋机械连接技术发展迅速，国内外均已开发出能充分发挥钢筋母材强度的等强级机械连接接头，施工速度快，成本低，从而为提高混凝土结构钢筋连接工程质量，加快工程进度，降低工程成本创造了条件。

But Eric Brewer tells us the price should be less once the technology is finalized for mass production.

但Eric Brewer告诉我们，一旦技术成熟到可以大批量生产的时候，价格就会更低。

What does Brice mean that only Chinese companies are eligible to use CDM, as recipient of low carbon technology and revenue?

布利斯说只有中国企业才有资格参与CDM是什么意思，是作为低碳技术和资金的接收者吗？

This low conversion rate was also symptomatic of problems with technology.

这种转换率低的症状也与技术问题。

The systemic experiments are done on the relationship between the output power and the cavity parameters such as the radius of the curved mirror, the reflectivity of the output mirror, the length of the two arms and so on.

本文为进一步将其做成新型、高效、低噪声再生放大器提供了必要的依据。标签激光技术再生放大飞秒激光大焦斑折叠腔 laser technique regenerative amplifier femtosecond laser large beam size folded cavity

The invention pertains to the communication technical field, and particularly relates to a design method of a low density parity-check matrix.

本发明属于通信技术领域，具体为一种低密度奇偶校验矩阵的设计方法。

The invention pertains to the technical field of environmental protection, in particular to a method used for improving the biological dephosphorization and denitrification efficiency of actual sewage under anaerobic-hypoxia condition.

本发明属于环保技术领域，具体涉及一种提高实际污水在厌氧-低氧条件下同时生物除磷脱氮效果的方法。

The theoretical research, computer simulation and experimental results analysis show that maskless laser interferometric lithography and holographic lithography have the characteristics of large field of view, high resolution, distortionless, relatively simple system structure, low costs and convenient realization way. They have a broad application prospect.

激光干涉光刻技术研究四川大学博士学位论文理论研究、计算模拟和实验结果分析表明，无掩模激光干涉光刻和全息光刻具有大视场、高分辨率、无畸变、系统相对简单、成本较低，实现方便等特点，具有广阔的应用前景。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷