1)  cubic B-spline
3次B样条
1.
The construction of uniformly-divided piecewise cubic B-spline function was extended by means of subdivision,and correspondingly the expansion theorem of B-spline was extended.
对均匀分划的分段式3次B样条函数的构造进行了细分划拓展,相应地对B样条展开定理也进行了拓展。
2)  cubic B-spline wavelet
3次B样条小波
1.
The cubic B-spline wavelet packet transform is adopted to detect the singularity of single-phase-to-ground fault signals.
采用3次B样条小波包提取各线路故障奇异量模极值,根据模极值能量分布最大原则,提出各线路特征频带的选取方法。
3)  cubic uniform B-spline
均匀3次B样条
4)  bi-cubic B-spline surface
双3次B样条曲面
1.
The processed data of offsets was regarded as undetermined fitting data point of bi-cubic B-spline surface and bi-cubic B-spline surface was calculated by .
处理后的型值点数据沿各站型线方向以及船长方向均匀的分布,将经过预处理的型值数据作为双3次B样条曲面的待拟合数据点,通过给予适当边界条件求得双3次B样条曲面进而获得湿表面网格。
5)  three-step parting mechanism
3次分型
1.
The structure of an injection mould with three-step parting mechanism was designed after an analysis on the requirements for use and the forming process for the cap of a bottle for shampoo.
通过对洗发液瓶盖的使用要求与成型工艺进行分析,确定了3次分型的模具结构设计。
6)  tertiary infill
3次加密
1.
During the production in tertiary infill wells,the surface gathering process is simplified at a large scale.
3次加密井在投产过程中,对地面集输工艺流程进行了大力简化。
参考词条
补充资料：无条
1.《山海经》中所载草名。
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