四倍体刺槐自身花粉粒的形状结构之间表现出丰富的变异：体积与形状多样，萌发孔沟的数量及位置不固定，外壁表面的纹饰特征彼此不同等等；
There were remarkable variations in the shape, volume, location and number of bourgeon -hole channels and veins on surface of pollen among pollens of TRP.
在该基地的沟，有一个单人或双人直径孔，提供一个良好的道路通过小组。
At the base of the groove, there is a single or double diameter hole, providing a sound path through the panel.
整体铸角延伸至侧板提供额外强度支撑，同时侧门孔和较宽的圆柱槽沟确保安装和拆卸的简便。
Integrated corner casting with extended side plate lamination provides extra support whilst the side access holes and wide cylinder slot ensures easy fitting and removal.
坚固的用螺丝固定的长方框，每隔25毫米有一个嵌孔，用来固定槽沟、板、缆束及线路图插袋等。
Strong rectangular frame fixed by screws, an inset hole every25 cm to fix the slotting auger, guard board, bunches of cables and circuit diagram sidekicks, etc.
道路平整、畅通无阻；孔、洞、沟等盖板齐全。
The way is smooth and cover plates of holes and trenches are ready.
在石人沟铁矿的试验结果表明采用垂直深孔预裂爆破技术在该矿是一种可行方案。
The test results show that the technology of vertical deep hole presplitting blast is a feasible method in Shi Rengou Iron Mine.
对有限元和有限差分的数值计算提出了井孔奇点修正和以沟代井列的计算方法，从而提高了离散化网络的计算精度，并可简化取代三维问题为二维。
The method for correction of singular points of wells and the calculation method of well row replaced by a ditch in the numerical FEM and FDM computations were proposed in this paper.
根据铧厂沟金矿矿体的开采技术条件，选用了浅孔留矿采矿法回采。
According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.
目的探讨颈神经在椎间孔及脊神经沟处受嵌压的解剖学因素。
Objective To study the anatomical factors causing spinal nerves stuck in the cervical intervertebral foramen and the spinal nervous sulcus.
结果乙状窦沟、内听道孔、颈静脉孔、耳蜗、岩嵴和后半规管最后点等可作为手术标志。
Results the sigmoid sinus, internal auditory porus, jugular porus, cochlea, petrous ridge and the most posterior point of the posterior semicircular canal could be markers of surgery.
身体前几个节间沟内经常无背孔。
There are usually no dorsal pores in the first few intersegmental grooves.
主要目的在观察眶外侧壁蝶骨大翼眶面上出现的沟和孔。该沟、孔在国内解剖学教科书及文献中未见有过记载和报道。
Occasionally there is a groove or a foramen in the orbital surface of the greater wing of sphenoid in the lateral wall of the orbit.
主要目的在观察眶外侧壁蝶骨大翼眶面上出现的沟和孔。该沟、孔在国内解剖学教科书及文献中未见有过记载和报道。
Occasionally there is a groove or a foramen in the orbital surface of the greater wing of sphenoid in the lateral wall of the orbit.
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