双位

Adding the size of a 64-bit IEEE double-precision floating-point number to a double-float-aligned address shall produce a double-float-aligned address.

增加一个 64 位元 IEEE 双精确浮点运算数目的大小到一个双浮点对齐位址必须产生一个双浮点对齐位址。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的单晶结构分析表明1具有四配位平面四边形结构，化合物8是白花丹素的Na盐，以离子化合物形式存在；化合物9～16为白花丹素的La，Y，Dy，Sm，Gd，Nd，Er，Eu的稀土金属配合物；化合物17是白花丹素的双核钇结构；化合物18为白花丹素的单核钇结构，该配合物除了含白花丹素外，还有来自白花丹植物中的另一个单体化合物也参与配位；化合物19～21是以2，2\'-联吡啶和邻菲咯啉等含N配体为辅助配体，具有白花丹素—含N配体—金属离子的三元配合物，化合物19是白花丹素和2，2\'-联吡啶与Cu的配合物，具有五配位的四方锥构型，通过Cu…O弱的成键作用形成二聚体，再通过分子间的氢键作用进一步形成一维链状结构，化合物20和化合物21是白花丹素分别与2，2\'-联吡啶和邻菲咯啉的Zn配合物，都具有六配位八面体构型的双核锌配合物，呈一维链状结构，化合物20中链与链之间的大量氢键将一维链扩展成二维层，分子间的π-π堆积作用进一步形成三维结构。

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The result is that both tin atoms are five-coordination, have a distorted trigonal bipyramidal geometry with an additional week interaction between another oxygen atom and tin atom.

分子中四个羧酸酯基有桥联双齿和单齿两种不同的配位模式；在内环锡和外环锡的配位单元中，锡均形成具有五配位的畸变三角双锥配位构型，同时另有一氧原子与中心锡原子之间有弱相互作用。

But under the same conditions, the reactions of the complex (41) with organic lithium reagents give a kind of novel complexes in which the nucleophile is added to the a-carbon of the phthalazine ring.

然而含有桥羰基的2，3-二氮杂萘配位的羰基双铁络合物4l在相同的条件下与芳基锂试剂反应时，芳基锂却是亲核加成在氮杂环的α位羰上，生成一类结构独特的双氮双铁羰基络合物。

The results showed that the MS2 fragmentation pathways of DASSSB were affected by the character and position of substitutes on salicylidene phenyl. The C=N cleaving to form fragmentation ion [M+H-283](superscript +) was dominant for DASSSB compounds with electron-donating group on the C4 of the salicylidene phenyl; while fragmentation ion [M+H-254] (superscript +) forming by C-C cleavage of the β-position of C=N was dominant for DASSSB compounds with electron-withdrawing group on the C5 of the salicylidene phenyl.

结果显示，这些化合物的ESI-MS/MS裂解方式与它们分子中水杨醛苯环上取代基的性质和位置有关：当水杨醛苯环上4位连接供电子取代基时，分子以CN双键断裂为主，生成[M+H-283]碎片离子；当水杨醛苯环上5位连接吸电子取代基时，分子以CN双键β位的C-C键发生断裂为主，生成[M+H-254]碎片离子。

The monochrome mode bypasses these modules and basically serializes the data in FIFOH (and FIFOL if a dual scan display type is used) into 4-bit (or 8-bit if a 4-bit dual scan or 8-bit single scan display type is used) streams by shifting the video data to the LCD driver.

单色模式则不需要这些模块，基本上通过转换视频数据使 FIFOH(如果是双扫描显示类型则还有 FIFOL)的数据串行化为 4 位(若为 4 位双扫描或 8 位单扫描显示类型时为 8 位)数据流到 LCD 驱动器。

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The ESR parameters of 4g strongly indicate that Cu〓 in complex 4g has a trigonal-bipyramidal environment, that is to say, Cu〓 is coordinated to four tertiaty nitrogen atoms and one chloride anion.

为了探测模型化合物中Cu〓的配位情况和几何构型，采用相同的方法合成和表征了杂双核化合物4g，ESR研究结合质谱信息表明在杂双核化合物4g中，Cu〓是五配位的，即它与一个Cl〓和四个叔铵氮原子配位而处于三角双锥场中。

Based on the violin, cello and double bass for the same position on the fingers rubbing strings rolling away from comparison and analysis of acoustic patterns; means single and double string rubbing rubbing means of acoustic string playing patterns and specific examples of analysis and comparison; refers to rub in the two-string Mixing strings with a single means to achieve the same sound, the string in the rubbing action on the comparison, so as to demonstrate the two-finger chord rubbing means smaller, the palm of your hand for a small, in the string rubbing speed, rubbing the string action is better than the single rate means the string rubbing , and can also increase the need for greater low-double bass string, the bit rate of rubbing

本文通过对小提琴、大提琴和低音提琴进行在同一把位上揉弦的手指滚动距离比较和声学图谱分析比较；进行单指揉弦和双指揉弦的声学图谱和具体演奏实例分析和比较；在双指揉弦与单指揉弦达到同样音响效果的情况下，在揉弦动作上的比较，以论证双指揉弦对于手指较细、手掌窄小的人来说，在揉弦速度、揉弦动作幅度上优越于单指揉弦，并且还可以根据需要更大程度上加大低音提琴低把位揉弦的幅度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。