We want to buy Nozzles, Hoses, Coupling and Flexible Expansion Joints Bellows and Expansion Joints.
我们要采购喷嘴，水管，联结和有柔性的扩充连接风箱。
It will highlight progress in membrane fusion, fission and budding mechanisms as well as the recent expansion of endocytic pathways and their coupling to signaling.
这将突出膜融合，裂变和出芽机制的进展，以及近期的扩展内吞途径及其耦合信号。
Moreover, the expansion ratio of scale factor and the variation ratio of string coupling constant are calculated.
另外，计算了标度因子的膨胀比和弦耦合常数的变化比。
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