请问新加坡的“双螺旋桥”建在哪里?
它的斯凯帕克有会议设施,艺术装饰品等等,都是置于一种现代一系列醒目的复杂体----“世界第一弯双螺旋桥”。
Its SkyPark, convention facilities, art installations and so on are all set in a visually striking modern complex approached via the "world's first curved double-helix bridge".
光学活性的2,2'-二取代1,1'-联萘和间吡啶桥构筑的分子内双螺旋化合物的合成。
Synthesis of Intramolecular Double-helical Compound Connecting Chiral 2,2'-Substituted 1,1'-Binaphthyl with meta-Pyridine Bridges.
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