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- The cracking problem of early age concrete surface has aroused general concern in engineering circles. 低龄期混凝土表面开裂问题已成为工程界普遍关注的问题。
- The stress, due to restrained volume change related to thermal deformation and shrinkage in the early age concrete, is the main driving force for the deleterious cracking in the construction stage. 早期混凝土由于体积变形受到约束而产生的应力是导致混凝土开裂的主要因素。
- The transitory bearing structure of concrete building during construction is varying with time, namely time dependent structure.It consists of formwork shores and early age concrete structure. 摘要现浇混凝土建筑结构施工期间，临时承载结构是由模板支撑和早龄期混凝土结构组成的时变结构。
- Keywords Ultrasonic;Early age concrete;UPV;USWR; 超声波;早期混凝土;波速法;剪切波反射法;
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Age and wedlock we all desire and repent of. 成年与婚姻，均为我辈所欲，亦为我辈所悔。
- Her widowhood condemns her to a lonely old age. 守寡使她不得不过着孤独的晚年生活。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- He has always assorted with men of his age. 他总是与和他年令相仿的人交往。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
