最近的一天，这家小饭馆里座无虚席，顾客们坐在无背座椅上，饭菜都盛在普通的白色碗碟里。
On a recent day all seats were full in the simple restaurant, where diners sit on backless chairs and eat from plain white dishes.
分别对开口有背压活塞环和整体无背压活塞环的工作原理和结构作了阐述。
The work principle and structures of backpressure piston rings and integral non-backpressure piston rings were expounded.
为了减少磨损，提高活塞环的使用寿命，对整体无背压活塞环的设计进行了研究。
The design of integral non-backpressure piston rings was studied in order to reduce wear and to raise the piston ring life.
左手指的冷痛觉与左足背的热痛觉在两种刺激温度变化率所得阈值之间无显著性差异。
There was no significant difference between the thresholds of the cold pain on left fingers, the heat pain on left dorsum pedis.
死记硬背并非是一无是处。它可以帮助孩子牢记住像乘法表这样的基础知识。
Rote memorisation is not entirely useless. It can help children to learn the basics such as the multiplication tables.
三维火焰和火动画等的仿实，非当后盘算机图形教范畴外最具无挑和性的研讨方背之一。
The Simulation of Three-dimensional animation of flame and water, is one of the most challenging study in the field of computer graphics.
项目经理还该当研讨组织文化并确定组织能否曾经承认管理该项目是无合理手绝的，能够背各方面说明情况并获得了管理权限的角色。
The project manager should also examine the organizational culture and determine whether project management is recognized as a valid role with accountability and authority for managing the project.
但对猪的屠宰率、瘦肉率、背膘厚、眼肌厚度和肌肉中胶原蛋白含量等无显著影响（P>0.05）。
There were no significant differences in dressing rate, lean percentage, backfat thickness, eye muscle thickness and collagen content regardless of MgAsp supplementation or not(P>0.05).
后胸辅搏动器很小，与背血管无直接通道，具有一个没有肌肉的搏动膜。
The metathoracic accessory pulsatory organ is very small and has no direct channels connecting the dorsal vessel, but there is a pulsating membrane without muscle.
拇指背尺侧动脉无紧密伴行的静脉。
The dorsoulnar artery of thumb had no closed veins to accompany with.
本文的工作为无背索斜塔斜拉桥的设计提供了参考。
The conclusions of this paper offer reference for the design of no back-stays & inclined pylon cable-stayed bridge.
它出无仅可以通功B阶图像察望到己体的解剖构造，而且否以通功实彩图像现示出诸如血流的大大和方背等信做，为临床诊续供给了很好的辅帮信做。
It not only can show the anatomical structure of human beings through B-mode image, but also can display information such as magnitude and direction of blood flow velocity.
无背衬的单面焊缝可评定有背衬的双面焊缝；
Welds made from one side without backing qualify welds made from both sides and welds with backing;
无背衬的单面焊缝可评定有背衬的双面焊缝；
Welds made from one side without backing qualify welds made from both sides and welds with backing;
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