查询词典 triangular number

trapezoid roof truss：梯形屋架

transversely distributed steelbar 横向分布钢筋(36) | trapezoid roof truss 梯形屋架(4) | triangular pyramid space grids 三角锥体网架(5)

thumb screw：手拧螺丝(拇指螺丝)

外六角三角牙螺钉 hexagon head triangular screw | 十字槽圆头机丝牙螺钉 cross recessed round head screw | 手拧螺丝(拇指螺丝) thumb screw

truncated soil profile：土壤剥蚀剖面

triangular dam profile 三角形坝体断面 | truncated soil profile 土壤剥蚀剖面 | upper nappe profile 水舌上缘线

spherical triangular coordinates：球面三角坐标

spherical triangle 球面三角形 | spherical triangular coordinates 球面三角坐标 | spherical trigonometry 球面三角学

strictly increasing：严格递增的

strictly increasing mapping 严格递增映射 | strictly increasing 严格递增的 | strictly lower triangular matrix 严格下三角矩阵

strictly increasing：严格增加

"严格减少","strictly decreasing" | "严格增加","strictly increasing" | "严格低三角矩阵","strictly lower triangular matrix"

strictly upper triangular matrix：严格上三角矩阵

strictly positive measure 严格正测度 | strictly upper triangular matrix 严格上三角矩阵 | strip 带

strictly upper triangular matrix：严格上三

strictly concave function 严格凹函数 | strictly convex function 严格凸函数 | strictly upper triangular matrix 严格上三

stricture：严厉批评;限制;狭窄

strictly upper triangular matrix 严格上三角矩阵 | stricture 严厉批评;限制;狭窄 | stride 步测

land subdivision：土地再分

三角形剖分:triangular subdivision | 土地再分:Land Subdivision | 细分理论:Subdivision principles

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件