均等裂开 equational split
不等裂变过程 unequal fission process
均等分裂 [遗] equational division ; [遗] equal division ; homoeokinesis ; homeotypic division
均等卵裂 [胚] equal cleavage
不等裂 inequal cleavage
近等裂 adequal cleavage
形容树枝等断裂的声音 crack ; snap
破裂等温线 fracture isotherm
等效压裂 equivalent fracturing
等效裂纹长度 equivalent crack length
叶酸能帮助防止诸如脊柱裂等神经管畸形出生缺陷的发生。
Folic acid helps prevent neural tube birth defects such as spina bifida.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
两剖面复成分砾岩杂色沉积、泥裂、石膏层等为该区可能存在的干旱气候提供了依据。
The occurrence of variegated polymictic conglomerate sediment mud cracks gypsum strata and so on can provide evidences for aridity climate in western liaoning.
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