环状的

The three different preparation methods of cyclic trioligomer are described in this paper. The chromatographically pure compound was obtained.

文章叙述了三种制备状三聚体方法;获得了色谱纯化合物。

Sonic tumor cells had nuclear goovas. 3 cases showed abundant mitochondria, rough endoplasm reticulum. neurosecretory granules, prozymogen-granule-like particles and annulate lamellae.

瘤细胞有丰富线粒体及粗面内质网，可见到神经分泌颗粒，酶原样颗粒及特征状板层体。

We are a professional manufacturer of hardware tools, our production include Wire gauge, drill gauge, wallet spanner, circinal blade, straight blade and round saw blade.

是一家专业生产五金工具，包括生产线计，钻表，钱包扳手，状刀片，直叶片和轮锯片。

Taking the supplying regions as rows of the bigraph, the optimum scheme for looped grids feeder arrangement with minimum cost is obtained by a minimum weight match algorithm of bigraph.

以联络线建设费用最小为目标函数,将各供电分区作为偶图2列,采用最小权匹配算法得到"手拉手"状网最优配对结果。