查询词典 double-time

Badvancer's redouble of either the penalty double of a simple overcall of a one-bid or the double of a two-notrump overcall of a weak two-bid.

b对一阶开叫做简单争叫被惩罚加倍或对弱二开叫做2NT争叫被惩罚加倍时之回答人的再加倍。

The oxidation of C=C double bond in 4-isopropylideneC〓-trishomocubane-8, 11-dione was studied. Ozonolysis of that double bond was arrived and the ozonide was found much more stable than ordinary ozonides.

详细研究了4—异亚丙基—C〓—三高立方烷—8，11—二酮中碳—碳双键的氧化反应，实现了双键的臭氧化分解，并发现其臭氧化物具有不寻常的稳定性。

The results showed:1The 6 main products are all fourmemberring compounds produced through the cleavage of double bond of nopol;2Accompany with oxidations of the double bond and tertiary hydrogen in the ozonization,there are other reactions at more indepth levels.

分析结果表明：这6个主要产物都是诺卜醇分子中双键断裂后所形成的四元环类化合物，诺卜醇臭氧化时除了碳碳双键、叔氢被氧化外，还伴有其它更深层次的反应。

A multiple-step beams model was established to analyze the static stiffness characteristics of the double parallel four-bar mechanism with right angle flexible hinges based on the symmetry of the structure. Formula for calculating the static stiffness was derived by applying singularity function. On the basis of this analysis, the factors influencing the stiffness performance of the double parallel four-bar mechanism were studied from its geometric parameters, and the theoretical model was verified by finite element method.

根据其结构的对称性建立了静刚度分析的阶梯梁模型，引入奇异函数法推导了柔性双平行四杆机构的静刚度计算公式，在此基础上，分析了柔性双平行四杆机构各尺寸参数对其静刚度的影响，并采用有限元方法对理论模型进行了验证。

The waterproof construction of the My First Double Penetrator allows for double penetration fun anywhere and easy clean up.

在防水施工的我国第一双钻允许任何地方双重渗透乐趣和轻松清理。

In vitro SUMO modification of the BRCA1/BARD1 heterodimer greatly increases its ligase activity, identifying it as a SUMO-regulated ubiquitin ligase. Further, PIAS SUMO ligases are required for complete accumulation of double-stranded DNA damage-repair proteins subsequent to RNF8 accrual, and for proficient double-strand break repair.

Galenty等人发现，两个连接酶（PIAS1 和 PIAS4）在DNA双链断裂处将各种不同的SUMO蛋白添加到DNA修复蛋白上，而SUMO蛋白则是泛素随后修饰这些蛋白中的其中一些所必需的。

The double piston, double rack and pinion design operates on 80 to 120 PSI.

双活塞、双齿轮和小齿轮按照设计，可以在80到120 PSI的压力范围内操作。

At home, and upon the county double brook telephone contact, director of permitted to commute piron comrade support with Chinese characteristics of fruit development permitted to commute, and many on-site technical guidance, effectively to pull the village of double brook characteristic economy development.

在与县人大代表、杠家镇双溪村村主任易科的联系中，刘强同志大力支持易科发展特色果树与中药材，并多次现场予以技术指导，有效地拉动了双溪村的特色经济发展。

Ln this paper the effect of the position and planform of the canard wing on the burst process of the leading edge vortices over thedouble delta wing and the aerodynamic characteristics of the fighterconfiguration with the double delta wing are presented Furthermore,optimum fighter with the canard-double delta wing has been given.

本文给出了鸭翼对双三角翼气动特性及涡的发展和破裂过程的影响，进而分析了鸭翼位置、平面形状对全机气动特性影响的机理，并提出了合理的鸭翼双三角翼布局形式。

A Study on Fraunhofer Double-Slit Diffraction by Applying Simulation Technology;2. Based on Kirchhoffs theory,the approximate intensity formulas of double-slit diffraction of Gaussian Beam is derived under paraxial approximation with power series expansion methods.

依据基尔霍夫衍射理论，利用幂级数展开的方法推导出旁轴条件下高斯光束双缝衍射的近似光强计算公式，并通过数值计算对双缝衍射的基本特性进行了讨论，得出了与其他文献一致的结论，得出了高斯光束下的双缝衍射极小值点比平行光束双缝衍射的极小值点向外移，观察屏中心光能变小；光强分布可由激光斑在衍射屏处的参数调制的结论。

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。