冠的

Lower molar residual root/crown can be preserved for a long time after perfect enˉdodontic or root canal therapy and reconstruction of dental root post/core crown At understanding exactly the indicaˉtion.

笔者从1993年5月开始试着对那些下颌磨牙近远中根分离，髓室底缺如，已建议拔除的残根残冠采用单根独立桩核冠修复的83例136牙经3～5年以上复查，获得较满意的效果。

Crown ether was introduced to copolymerize with the monomer of styrene owing to which can associate with silver ions. The silver ions were in-situ reduced to silver nanoparticles by UV light. Then silver nanoparticles were led on the surface of polystyrene latex particles. The vertical precipitation was employed to get the spheres self-assembled into close packed colloidal crystal with a face centered cubic structure identified.

利用冠醚可与银离子复合的特性，制备了聚苯乙烯－冠醚乳胶粒，采用原位还原的方法在乳胶粒表面引入银纳米颗粒，通过垂直沉降，乳胶粒子可自组装成紧密堆积具有面心立方的聚苯乙烯－银胶体晶体。

02"What if I want to send you a letter up there in New York?" says Wayne Belanger, a man with dirty silver hair and hands as thick as encyclopedias who mixes French into his English, calling storms "tempets" and me "tee frere."

伟恩问道﹐"如果要写信到纽约给你﹐要怎麼寄﹖"伟恩头发灰白﹐手臂粗厚像百科全书﹐说话英语夹杂着法语﹐暴风雨不说 storm ﹐而说 tempet ﹐他称我为'兄弟'，用的是 tee frere，兄弟用的是法文﹐冠词却是英文冠词的变体。

An understory of shorter trees and a lacework of woody vines, or lianas, produce a forest of such complex internal architecture that many animals, including some sizable ones, rarely or never descend to the ground.

下层植被和藤蔓植物形成了具有相当复杂的内部体系的森林。生长在冠层和新生树木层的树较少。由于阳光穿透冠层使下层植被和森林地表植被生长得更好。

Three N-pivot lariat ethers with picrylamino group as side arms have been prepared, and the selective coloration of above chromogenic ethers for alkalic metal salts and amines have been studied conveniently by UV-Vis spectra.

设计合成了三个具有分子隙缝的、以苦胺基为侧臂的N-支套索冠醚，利用其生色基和UV-Vis吸收光谱，简便地研究了冠环大小、键连基团对碱金属盐和有机胺选择变色作用的影响。

And to seal the strake quality is all better than the ones that preceded and hold, among them, the large and safe product cost is lower than the ones that preceded and hold.

且封边条质量都比冠盛的好，其中，硕泰的产品价格比冠盛的还要低。

By the time the last leg of the triple crown at Belmont was run, Affirmed was a triple crown winner but it was Alydar that got everyone's sympathy and was the hero of the year.

由时间的最后一站，三冠王是在贝尔蒙来说，肯定是一个三冠王得主，但据alydar说，得到大家的同情和是英雄的一年。

The uncountable noun should not be preceded by the indefinite article.

英语不定冠词在英语中使用率很高，英语名词中的可数和不可数特点使中国的英语初学者难以掌握不定冠词的用法。

Benzenoid system and coronoid system s are the natural representations of the skeletons of molecules of benzenoid hydrocarbons and coronoid hydrocarbons in the field of organic chemistry.

六角系统和冠状系统分别是有机化学领域中的苯碳氢化合物和冠状碳氢化合物的分子结构的自然体现。

The results are as follows:The relationship between the precipitation and the stemflow is a linear regression. The stemflow of six forest types is Broadleaf forest, Conifer and broadleaf forest, Cupressus funebris forest, Mixed conifer forest, Pinus massoniana forest and Shrubbery and grass land in order.

结果如下：树干茎流量与降雨量成线性相关，回归方程达到极显著水平；6种森林类型的树干茎流量从大到小依次为阔叶林、针阔混交林、柏木林、针叶混交林、马尾松林和灌草地；不同树种间的树干茎流量差异极显著，影响树干茎流量的主要树体特征因子是冠型结构、胸径和平均冠幅。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。