Conclusion: Shh and its receptor are expressed during the late bell stage of mouse tooth germ.
结论：Shh及其受体Ptc在小鼠牙胚钟状晚期有表达。
The yield of two times of the fertilizer application at bell stage was similar to that of one time.
拔节期和大喇叭口期分两次追施和大喇叭口期一次施入产量相近。
RESULTS: The expression of MMP-2 could be found in bud stage , cap stage and later time of bell stage.
结果：牙胚发育过程中的蕾状期、帽状期、钟状晚期基质金属蛋白酶- 2 （MMP - 2 ）均有表达，但以钟状期前牙本质细胞的表达最明显。
The expression of odontoblast significantly decreased in the late bell stage, while ameloblast showed positive expression.
钟状晚期表现于成牙本质细胞的表达明显下调，而成釉细胞呈阳性表达。
Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿发育是一个连续的过程，经历了蕾状期、帽状期、钟状期和牙根发育期。
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。
Abstract: Objective To study the different gene expressions of cap stage (E14.5) and early bell stage (E18.5) in murine molar.
摘要目的筛选小鼠帽状期(E14.5)和钟状早期(E18.5)磨牙牙胚的差异表达基因。
RESULTS: The expression of MMP-2 could be found in bud stage , cap stage and later time of bell stage. A high level of MMP-2 was confined to secretory odontoblas…
结果：牙胚发育过程中的蕾状期、帽状期、钟状晚期基质金属蛋白酶- 2 （MMP - 2 ）均有表达，但以钟状期前牙本质细胞的表达最明显。
If we ring the alarm bell, we can move to the solution stage.
如果我们敲响警钟，我们就可以步入解决问题的阶段。
This is cotton quality and yield formation of key stage, continuous wet weather, affected cotton crack open bolls and pick, the bell also delayed the time to market showed.
眼下正是棉花品质和产量形成的关键阶段，持续阴雨天气，影响了棉花裂铃吐絮及采摘，也推迟了新棉的上市时间。
The dual-bell nozzle has an inflection point (12) between the first stage nozzle and the second stage nozzle.
双钟形喷嘴具有位于第一级喷嘴和第二级喷嘴之间的拐点 （12）。
Its central location with 12 half-tone, you can transfer spin palace played five sound - the sound stage music 7. The bells of the most amazing is that "a two-tone bell."
其中心部位12个半音具备，可以旋宫转调演奏五声——七声音阶乐曲。这套编钟最奇妙之处是“一钟双音”。
Its central location with 12 half-tone, you can transfer spin palace played five sound - the sound stage music 7. The bells of the most amazing is that "a two-tone bell."
其中心部位12个半音具备，可以旋宫转调演奏五声——七声音阶乐曲。这套编钟最奇妙之处是“一钟双音”。
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