查询词典 ring-a-ding

The growing features of triploid Populus tomentosa (B304) were measured, the chemical composition variation with the increase of the annual ring was studied and the optimal felling cycle was roughly determined.

对三倍体毛白杨(B304)的生长特征进行了测定，并研究了三大组分随轮龄增加的变异情况，初步确定了最佳采伐周期。

The thin ring of sunshine encircling the moon during an annular eclipse is called an annulus.

在日环食期间，绕着月亮的那轮浅浅的太阳光就被称为环面。

For the synthesis of NHC precursors, there are also several routes: condensation of glyoxal, amines and paraformaldehyde; alkylation of imidazole or monosubstituted imidazole with alkyl halide; annulation of ortho esters and 1,2-diamines; ring closure of hydrazines or amides with acetic anhydride; reduction of thiones with Na/K in THF.

关于N-杂环卡宾前体的合成途径主要有：乙二醛、伯胺和多聚甲醛的缩合反应；卤代烷与咪唑及其取代咪唑的烷基化反应；原甲酸酯与1，2-二胺的成环反应；肼或酰胺与酸酐的环化反应；用Na/K对环硫脲化合物的还原反应。

For protecting the anonymousness of the sender as well as to provide the authentication,an ID-based ring signature scheme suited for distributed and collaborative design system is proposed based on GDH group.

分布式协同设计[1-2]是网络化制造的核心技术，指分布在不同地域的产品设计人员，通过互联网对制造资源异地交互，相互协同地设计和开发产品。

Route incoming calls to the correct application ( fax, answerphone, remote access ) depending on the criteria; Time, Day of week, Distinctive ring and caller number.

路线传入的呼叫到正确的应用（传真， answerphone ，远端存取），视乎有关标准；的时间，一周内每天的，独特的环和来电号码。

The operative manner of non-tensile herniorrhaphy with Bard hernial ring filling, which is safe and reliable, accords with anthropotomy.

巴德材料疝环充填式无张力疝修补术手术方式更加符合人体解剖结构，效果好，安全可靠。

This paper defines j-dual automorphism and anti- automorphism of de Bruijn Good graph Gn over F2+vF2 ring.

文章定义了F2+vF2环上的de Bruijn Good图Gn的j对偶自同构及反自同构，并给出了在F2+vF2环上移位寄存器非奇异的充要条件，以及非奇异反馈函数与其自同构函数的表达式。

The circus act came as an anticlimax after the big build up given by the ring master.

在马戏团领班的大捧场后，这个马戏院团的表演却出现了令人扫兴的结尾。

AIM To explore the effect of nerve growth factor on angiogenesis of in vitro cultured murine aorta ring.

目的 探讨神经生长因子对体外培养的小鼠主动脉环血管新生的影响。

The operation on the skin and the conjunctiva was performed without using microscope, the dermis and the aponeurosis of the levator muscle of upper eyelid were limited within the ring of the ligature by the line of suture ligatured to form firmly heal which keeps the formed double-fold eyeli...

其法的特征是皮肤面和结膜面均在直视下操作，增加了可信度，缝线结扎后保证了将皮肤的真皮层和提上睑肌的腱膜层均拦在结扎线环内，形成了牢固的粘连愈合，使之形成的重睑沟牢固持久，永不消失。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。