They were given high or low dose stem cell infusions, or a dummy injection.
分别为他们植入高剂量或低剂量的干细胞，或进行虚拟植入。
This damage could include stem breakage or internal damage which would preclude ongoing use.
这种损伤可能包括阀杆断裂或阻止继续使用的内部损伤。
A tree is a tall, woody plant that usually has one main stem, or trunk.
树是一种高大的木本植物，通常有一根主干，或树干。
Stem: Upright stroke of a letter or figure.
直划：字或数字的垂直笔划。
B lifting, the rope not tied hand wheel or valve stem.
b起吊时，绳子不要系在手轮或阀杆上。
This type of stem cell goes on to become either fat or bone.
这个形态的干细胞会同时脂肪化和骨化。
A stem can be a bound root, a free morpheme, or a derived form itself.
词干可以是粘着词根，自由词素和一个派生词。
A stem can be a bound root, a free morpheme, or a derived form itself.
词干可以是一个黏着词根、自由语素或者本身就是一个派生词。
A stem can be a bound root, a free morpheme, or a derived form itself.
词干可以是一个黏着词根、自由语素或者本身就是一个派生词。
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