1) quill hole
羽茎孔
3) emergence hole
羽化孔
1.
Study on the spatial distribution of entering tree hole and emergence hole of Apriona swainsoni Hope on the Sophora japonica;
锈色粒肩天牛侵入孔、羽化孔在国槐上分布规律的研究1
4) emergence holes
羽化孔
1.
The distribution of Urocerus gigas taiganus emergence holes on larch trunks had little relations with direction of trunks,but was closely related with the position on trunk.
通过调查与分析树干不同方位和不同部位的羽化孔数 ,摸清了泰加大树蜂 Urocerus gigastaiganus Beson羽化孔在落叶松树干上的分布规律。
2.
Study on spatial pattern of ovum, pupa and emergence holes showed the spatial pattern of Pisodes yunnanensis was aggregation Based on Qebichefu theorem, the spatial pattern was obtained by using the method of least squar
对华山松木蠹象的卵、蛹及羽化孔的空间分布型研究 ,表明了该虫的卵、蛹、羽化孔在华山松上的分布均为聚集型 ,根据切比雪夫定理 ,应用最小二乘法求解 ,得出华山松木蠹象卵、蛹及羽化孔的空间分布模
3.
The number of emergence holes and frass holes in weeping willows on both banks of Qinhuai river are investigated.
调查了外秦淮河两岸垂柳上光肩星天牛羽化孔、排粪孔的分布情况。
5) peacock feather threads
孔雀羽线
1.
The authors of this article studied the item using a three-dimensional scanning electron microscope,focusing on the materials and the techniques used to make the garment,and here they present the results of their analysis of the working of the peacock feather threads.
故宫博物院藏品中有一件用孔雀羽线制作的亲王用吉服袍。
6) pinnate boring
羽状钻孔
1.
On the basis of analyzing mechanism of gas drainage process of coal seam,mathematical models of the process of gas pre-draining by pinnate boring were set up and the models were drawn by numerical discretization.
文章在分析煤层瓦斯抽放过程机理的基础上,建立了羽状钻孔预抽瓦斯过程的数学模型,并对该模型进行了数值离散,同时采用牛顿-拉夫逊数值方法,将非线性方程组转化为线性方程组最终得以求解。
补充资料：桑茎横切，示皮孔
李正理提供
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条