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试管加倍
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试管加倍
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test-tube doubling
试管加倍
将无菌条件下获得的幼苗或愈伤组织在加入含一定化学物质的培养液上进行培养,在化学物质的作用下,使得幼小植株细胞的染色体数加倍的技术。
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first orthogonality relation
First Outline of a System of the Philosophy of Nature
first partial derivative
first passage
first-passage-time
first pass effect
first-person shooter
first phase
First Plenary Session of the Chinese People's Political Consultative Conference
first point of Aries
first point of aries
first point of Cancer
first point of Capricornus
first point of Libra
first point of libra
first polar
first polar body
first postulate of thermodynamics
first principal line
first principal plane
first principle
first-principle
first principle calculation
first principles
first principles calculation
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