提出用双环孔径记录进行激光散斑照相的方法。
A double annular aperture method is put forward with which the authors recorded the processes of laser speckle photography.
研究紫枝忍冬茎次生木质部结构，其为环孔材。
The study on the stem secondary xylem of Lonicera maximowiczii, reveals the wood belongs to ring porous wood.
本机是利用环孔形对荒管进行冷态轧制的工艺设备。
This machine is the use of annular-shaped tube on the shortage of cold rolling process equipment.
我们从观察结果推测金鱼卵母细胞的环孔片层可能是由粗面内质网衍生而成。
According to the evidence which have been observed, it is proposed that annulate lamellae in goldfish oocytes are probably differentiated from the rough endoplasmic reticulum.
因此，研究循环孔隙水压力作用下砂床土体的力学行为对海岸和近海工程有重要意义。
Therefore, it's very important to study the mechanical behavior of sand soils under the action of cycle pore water pressure for coast and offing engineering.
外观：散孔材，半环孔材倾向明显，生长年轮略明显，心材红褐至紫红褐色，木屑水浸出液红色；
Appearance: diffuse-porous wood, half ring hole material tendency obvious, growth ring slightly obviously, heartwood red brown to purple brown, sawdust water extract of red;
本文是在有限元模拟分析基础上，制作5根混凝土柱，进行环孔法测试混凝土工作应力的试验研究。
On the basis of finite element analysis, 5 concrete columns were made to carry on the experimental study about the measurement of working stress of concrete by the ring-hole method.
研究了试样总应力、循环孔隙水压力、有效应力随时间的变化规律及试样有效应力与轴向应变的关系曲线。
Curves of total stress and time, of cycle pore water pressure and time, of effective stress and time, of effective stress and axial strain are respectively studied.
从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行了分析。
Diffracton integral equations and Bessel Functions are used to get perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.
本文从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行分析讨论。
In this paper, diffraction integral equations and Bessel Functions are used to getting perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.
在环孔法测试织物的基础上，采用正交试验设计、模糊分析的方法优选试验参数，为环孔法测试织物提供了依据。
The best experimental parameters were Chosen through orthogonal experimental design and fuzzy analysis. The analytical results provided basis for application of ring-hole measuring fabric.
在环孔法测试织物的基础上，采用正交试验设计、模糊分析的方法优选试验参数，为环孔法测试织物提供了依据。
The best experimental parameters were Chosen through orthogonal experimental design and fuzzy analysis. The analytical results provided basis for application of ring-hole measuring fabric.
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