导管分子很短，单穿孔，无穿孔的输水分子具单纹孔；
Tracheal element is very short, sheet is perforative, have odd grain opening without perforative element is defeated by water;
薄壁细胞向内生长的泡状物通过纹孔伸入相邻的管胞或导管形成的结构。
Tylose a bladder like ingrowth from a parenchyma cell into an adjacent tracheid or vessel through a paired pit.
分别测量了离析后叶中肋细胞的长度、宽度和细胞壁厚度及纹孔场数目。
The length and width of cells, the thickness of cell walls and numbers of pit fields of the leaf costa were measured.
利用高速搅拌的方法研究了通过纹孔将填料加入芦苇纤维细胞腔的技术。
A technique for forcing fillers into lumens of reed fibers through pits was studied.
具缘纹孔的闭塞率较低以及部分具缘纹孔周缘破裂是高频真空干燥后木材浸注性提高的主要原因。
Low pit aspiration ratio and cracks of some bordered pits are the main reasons for increasing liquid impregnation after radio-frequency vacuum drying treatment.
轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。
There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma, the axial tracheid and the ray tracheid.
轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。
There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma , the axial tracheid and the ray tracheid.
其结果为：压缩整形木的某些部位的解剖分子可发生向内溃陷，细胞腔变小，纹孔膜破裂，但细胞壁没有破坏；
The result shows that the internal sinks are found in part of the orthopaedy wood, cell cavity becomes small. and pit membrane is broken up. but the cell wall does not rupture.
形成层细胞阶段和伸展生长阶段，POD主要分布在径壁上，尤其是细胞壁角隅处和初生纹孔场附近的细胞壁。
POD was mainly distributed in the radial walls of the cambial cells and expanding xylem cell, especially at the corner of cell wall and cell wall close to the primary pit field.
物理性能：单散孔，含树胶沉积物，侵填体丰富，导管与射线间纹孔小，轴向薄壁组织为傍管型，主为聚翼状，带状也常见。
Physical properties: a single scattering holes, including gum sediments, tylosis rich, catheter and ray pits between small, axial parenchyma as paratracheal type, main poly of, ribbon is also common.
次生木质部由孔纹导管、薄壁组织及射线所组成。
Secondary xylem consists of pitted vessels, parenchyma fibers and rays.
本文分别运用动态云纹-光弹性和电阻应变量测方法研究了相邻两炮孔之间爆炸应变场。
The blasting strain fields between two adjacent boreholes initiated simultaneously were investigated with the dynamic moire-photoelasticity and strain gauges.
在韧皮组织内，蓝污真菌主要沿着细胞轴向在垂直方向上生长，并可通过细胞孔纹进入到水平方向上的相邻细胞内。
Inside phloem tissue, the fungi mostly extended along various cell axes in vertical, and horizontally entered the adjacent cells through cell pets.
结果茵陈蒿具有梯纹、网纹和孔纹3种类型的导管，穿孔板类型为单穿孔。
Results There were 3 types of vessel elements, scalariform vessel, reticulated vessel and pitted vessel, the perforation plates were simple perforation plate.
激光点焊机主要应用于金银饰品的补孔、沙眼修补、纹缝修补及镶嵌部件爪脚部位等焊接。
Jewellery laser welding machine mainly used in jewellery patching holes, blister repairing, pocket repairing and jaw hand welding when mount parts.
从位移的云纹图用位移导数法求得销钉孔中心水平截面上的应变。
The moire pattern is used to determine the strain on the horizontal section through the pinhole centre by displacement derivative method.
鹅头形钢板头部设计有椭圆形螺丝孔内侧面设计有较深的槽纹；
Goose head shaped steel plate head has oval screw bore, there is deep slot on the inner side;
鹅头形钢板头部设计有椭圆形螺丝孔内侧面设计有较深的槽纹；
Goose head shaped steel plate head has oval screw bore, there is deep slot on the inner side;
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