前裂球 anterior blastomere
前裂像圈 split-image rangefinder spot
脊柱前裂 spina bifida anterior
前正中裂 [解剖] anterior median fissure ; anterior median fissure Chinese ; [解剖] fissura mediana anterior
成熟前有丝分裂 [细胞] premeiotic mitosis
前裂长管茧蜂 Diachasmimorpha longicaudata
前庭裂 [解剖] rima vestibuli ; vestibular fissure
有丝分裂前期 mitosis prophase
断裂前陆 broken-foreland
泛大陆在大约2亿年前解体，北美板块和非洲板块漂移开来，形成的张裂盆地最终形成了大西洋。
The North American plate and the African plate drifted apart, leaving a fissured basin that eventually became the Atlantic Ocean.
根据局部损伤理论和相似原理，给出了蠕变裂纹启裂前的孕育上下限时间并推导了蠕变裂纹扩展率方程。
Based on the local damage hypothesis and utilizing similarity solutions, this paper presents a procedure for estimating the incubation time prior to the onset of creep crack growth.
积血主要在基底池、纵裂前上方和侧裂内。
These were mainly in basal cistern, cerebral longitudinal fissure and Sylvian fissure.
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