结论雌激素和孕激素对妊娠期盆底结构和功能均起到保护作用。
Conclusion Both estrogen and progesterone may protect the structure and function of pelvic floor in pregnant primiparas.
本实用新型一种洗衣机，主要涉及洗衣机盆形波轮桶底结构的改进。
The utility model relates to a washing machine, particularly the improved structure of a drum bottom of a basin-shaped impeller of a washing machine.
研究表明，YF双层底结构比原结构具有更大的吸能能力和抗搁浅能力。
The study shows that both of energy absorption and anti-grounding abilities of YF double bottom structure are evidently better than that of routine structure.
以普通货船双层底结构为例，应用上述方法生成了双层底最优装配序列。
Finally, focusing on double bottom of general cargo boat, this paper set up assembly sequences model and finished the simulation of the assembling process.
抗压强度是金属两片罐的一个重要性能指标，而罐底结构影响其抗压强度。
Compressive strength is one important mechanics factors of metal two-piece can and the bottom configuration affects its compressive strength.
目的将神经导航测量理念融入颅底解剖学研究中，探讨神经导航在颅底结构测量中应用的可行性。
Objective To investigate the feasibility of neuronavigation in study of the skull base anatomy so as to discuss the application of neuronavigation on microanatomy measurement.
计算结果和现场试验表明，优化后的包底结构降低了包底的热应力，提高了包底工作层的使用寿命。
Calculation results and field test indicate that the stress of the optimized structure is lower than that of others and the life period of bottom working lining is extended.
船体线型采用优化设计的深v型，在风浪中航行性能极佳，同时采用双层底结构，可确保全船进水不沉。
In addition, the hull is double bottom construction, which ensures the boat inflated when the water entered the boat.
所以阿特沃特和艾登为了效率设计了有许多不同的长度的结构：尖头宽底的楔子形状。
So Atwater and Aydin designed structures that effectively have many different lengths: wedge shapes with pointy tips and wide bases.
特定结构的顶和底可以防滑，这样垫着的东西就会老老实实待在原地了。
The textured top and bottom keep it from sliding, so your projects stay where you want them.
实现对面向服务的体系结构中企业信息系统的访问：自底向上方法。
Implementation of Enterprise Information Systems access in Service-Oriented Architecture: a bottom-up approach.
通过典型路面结构模式的计算分析，得出柔性路面层底最大弯拉应力发生的位置，有助于简化设计过程。
Through the analyzing and calculating of representative pavement structure, it is helpful for simplifying the design process to get the maximal bend stress position of flexible pavement.
通过不同API来支持多种查询策略(如自底向上、自顶向下)，实现对XML树结构数据的查询遍历。
Support various query strategies, such as bottom-up, top-down, through different APIs to traverse the tree-like XML data.
同时，还对近阶段郑州市不同道路等级典型路面结构的面层、基层、底基层、下封层和旧路补强的配比和设计作了详细的介绍。
Also introduced here are the mixture ratio and design of pavement, base, sub-base, sub-seal and old road strengthening for typical pavement structure of different road classes in Zhengzhou.
是人对律感、音感、调感、织体感、节奏感、结构感等音乐底基要素的不同感觉。
They are people's different feelings of such music essential elements as temper, tone, mode, texture, rhythm and structure.
采用现代设计方法及有限元技术，应用i - DEAS软件对某电除尘器底中梁钢结构的主要尺寸参数进行了以质量为目标函数的评估和优化。
By means of I-DEAS software, taking quality as object function, this paper evaluates and optimizes the dimension parameters of mid-mudsill steel structure of an electrostatic precipitator.
其压座底部由多支小油缸组成的“浮底胶膜结构”对有弧度的不规则大底压着，能起到自动吻合之功效。
The "floating sole adhesive film structure" multiple mini cylinders can make the pressing compliance with the irregular sole with radian.
底栏栅引水枢纽具有结构简单、施工方便及造价低廉等优点，在我国应用较广。
Bottom stockade diversion junction has the advantages of simple structure, being easy to construct and cheap to build.
水泥筒仓是水泥储存筒仓的简称。它主要包括基础、支承结构、仓底、仓壁和仓顶。
Cement silo is the abbreviation of cement storage silo, which mainly includes foundation, supporting structure, bottom of silo, silo wall and top of silo.
结构板块，密底花堂的防水处理须参照建筑师之大样及规范。
Refer to Architect's General Specifications and Drawings for waterproofing of Structural Slab and Closed Bottom Planters.
设计中采用全差分结构和底极板采样技术，优化了开关电容和MOS开关。
Full-differential structure and bottom plane sampling technique and optimization of switch capacitor and MOS switch were used in this circuit.
利用模糊距离概念，将底事件结构重要度概念从概率空间推广到模糊集中，得到模糊距离重要度。
The importance of fuzzy distance can be obtained by extending the concept of structural importance of bottom event from probability space to fuzzy set, in the light of the concept of fuzzy distance.
熟料筒仓同水泥筒仓一样，也包括基础、支承结构、仓底、仓壁和仓顶。
As a same with the cement silo, the clinker silo also includes foundation, supporting structure, bottom of silo, silo wall and top of silo.
简要介绍了底框住宅结构的设计特点。
This paper briefly introduces the design features of the structure of the residence with bottom frame.
柱子应支撑在双层底或舷侧的强结构上。
Pillars shall be supported on the double bottom floors or on the web frames on side shell plates.
在这种结构的指引下，修昔底德对战争中商议的解释呈现出了独特的风格，他对种种商议所做的记录获得了解释。
Under the direction of this structure, Thucydides' account of the deliberations of the war takes on its unique character, and his practices in recording the deliberations receive their explanation.
通过具体的实例，介绍了两种基于短语结构语法的剖析方法——自底向上剖析和自顶向下剖析。
In this paper, through the concrete examples, the author introduces two kinds of parsing approaches: bottom-up parsing and top-down parsing.
通过具体的实例，介绍了两种基于短语结构语法的剖析方法——自底向上剖析和自顶向下剖析。
In this paper, through the concrete examples, the author introduces two kinds of parsing approaches: bottom-up parsing and top-down parsing.
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