The stem has a proximal stem portion and a distal stem portion.
所述杆具有近端杆部分和远端杆部分。
In fact, the scientists had mapped only a certain portion of the epigenomes of two cell types (an embryonic stem cell and another basic cell called a fibroblast).
事实上，科学家仅仅绘制了两种细胞外基因的某一部分而已。
Clean exposed portion of valve stem (Do not scratch).
清洗阀杆的外露部分(不要划伤)。
Clean exposed portion of valve stem (Do not scratch).
清洗阀杆的外露部分(不要擦伤)。
Cladophyll: a branch or portion of a stem that resembles and functions as a leaf.
叶状枝茎的：分支或其一部分，类似于叶子并具有叶的功能。
The first articulation cable includes a proximal cable portion which is connected to the platform and which is substantially transversely constrained by the stem.
所述第一联接缆线包括近端缆线部分，所述近端缆线部分连接到所述平台并且基本上在横向受到所述杆限制。
Most portion of hypocotyl has the characteristic of the primary structures of its root and stem.
下胚轴大部分区段同时具有根、茎初生结构的特征。
A step on the stem has now been back-seated against the upper portion of the valve body.
阀杆上的台阶现在已经坐落在阀体的上面部分上。
She lopped a portion of the stem off and filled in the rough edges so it was even enough to lay a round piece of glass over the top.
她把葫芦柄截去，修补毛边儿以使在它上面能放置一块圆玻璃板。
She lopped a portion of the stem off and filled in the rough edges so it was even enough to lay a round piece of glass over the top.
她把葫芦柄截去，修补毛边儿以使在它上面能放置一块圆玻璃板。
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