The tried and true way of germinating Sarracenia seed is to cold stratify the seed for 4 weeks.
真正有利于瓶子草子发法,是让子在湿环境下待4周左右(比较常听到6周说法)。
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Another milestone has been passed in the adoption of additive manufacturing, popularly known as 3D printing.
积层制造即3D打印再创里程碑。
The skins are printed in a thermoplastic material using additive-manufacturing machines from Stratasys, an American company.
通美国公司Stratasys的积层制造备,这些皮肤可被打印性材料上。
The layer by layer process leads to defects in mechanical properties, and if we could grow continuously, we could eliminate those defects.
积层叠加的制造工艺使得机械性能存缺陷,如果能实现无间断制造, 就可以消除这些缺陷。
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