目前，采用泵送法预制高强度混凝土井壁，在国内尚无成功的先例。
Currently, the method of prefabricating concrete high strength wall by pump transporting is still without successful precedent in our country.
但对抛物线斜板拱桥的受力计算尚无成熟理论，使之应用受到限制。
However, it is restricted in application owing to the lack of a sound theory about the calculation of force of the parabolic oblique arch bridge.
对于疏松粉细砂地基土的加固处理，目前尚无成熟的经验和现成的规范。
For the consolidation treatment on loose powdered fine sand base there are no mature experience and the existing specifications now.
目前在此地质条件下尚无成熟的地下开挖施工技术，而且可借鉴的施工经验也很少。
At present in the geological conditions of the not mature of underground excavation construction technology, but also for the construction experience are few.
功能折旧是用成本法进行房地产估价时必须处理的问题，但目前尚无成熟的计算方法。
Functional depreciation is an important aspect to real estate appraisal, but there is no mature method so far.
传统的计算机辅助工艺规划系统都是二维的，目前国内外尚无成熟的三维数字化装配工艺系统出现。
The traditional computer aided process planning systems are two-dimensional, and now there aren 't commercial three-dimensional digital assembly process planning systems.
但是由于天线罩电厚度测量精度要求高，测量过程复杂，目前国内尚无成熟的测量技术和测量装备。
But because of the high measure precision and complex measure process, there have no ripe measure technology and equipment.
目前国内外储层改造界均在积极探索碳酸盐岩储层加砂压裂改造技术，但尚无成熟的经验可供借鉴。
The tech of adding sand fracture treatment in carbonate reservoir is on the process of exploring in domestic and abroad which has not rich experience for reference.
但是，凯特说这些都是空话，因为国会几年前就建立了一个隐私和公民自由监督委员会，至今尚无成员入席。
But Cate says these are empty words, because Congress created a privacy and civil liberties oversight board years ago that has yet to be seated.
对该类型矿床的研究己经建立了多种形成模式，唯独高级变质组合地体中该类矿床的形成模式尚无成型的报导。
So far, many kinds of pattern for this type of deposit have been established except those in Archean terrain.
苹果浓缩汁褐变、后混浊一直是困扰着我国乃至世界果汁加工业的重大技术难题，目前尚无成熟可靠的控制方法。
Browning and haze in apple juice concentrate (AJC) have been long-standing problems in processing and there is no reliable solution to them.
三峡库区属于南方高植被覆盖区域，岩石上部覆盖着较厚的土壤和茂密的植被，因此岩性分析比较困难，尚无成熟的方法可循。
Three Gorges is the south area in which there covers thick soil and flourish vegetation on the top of the rocks, and the lithology analysis is very difficult.
三峡库区属于南方高植被覆盖区域，岩石上部覆盖着较厚的土壤和茂密的植被，因此岩性分析比较困难，尚无成熟的方法可循。
Three Gorges is the south area in which there covers thick soil and flourish vegetation on the top of the rocks, and the lithology analysis is very difficult.
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