bud stage

基本解释

Results: The TUNEL showed that there was consistent PCD present in the bud stage, cap stage and bell stage.
结果：在牙齿发育的蕾状期、帽状期、钟状期均有程序性细胞死亡现象。
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Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿的发育，经历蕾状期、帽状期、钟状期、牙根发育和牙齿萌出期。
In crack-bud stage the inferior process of material is described the positron annihilation average life acts as damage parameter by Positron Annihilation Technique(PAT).
利用正电子湮没技术，以正电子湮没平均寿命为损伤参量，描述裂纹萌生阶段材料的劣化过程。