The tried and true way of germinating Sarracenia seed is to cold stratify the seed for 4 weeks.
真正有利于发芽的方法,是让在湿冷积层的环境4左右(比较常听到6的说法)。
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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.
用美国公司Stratasys的积层制造备,这些皮肤可被打印在材料上。
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能存在缺陷,如果能实现无间断制造, 就可以消除这些缺陷。
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