acute-angled triangle

In order to comprehend cognitive condition of the ninth-grade students who understand the cacute-angle-trigonometric function, in this paper, the following three areas are researched: 1.锐角三角函数是九年级学生在学习了函数概念以及反比例函数、一次函数、二次函数之后学习的又一种形式的函数,为了了解九年级学生对锐角三角函数的认知情况,本文从以下三个方面进行分析研究:一、九年级学生对锐角三角函数概念的认知;二、九年级学生对锐角三角函数的认知困难及原因分析;三、根据前面的分析提出教学建议。1xj汉语字典

Several Inequalities Involving Medians and Angle-Bisectors of Acute Triangles;锐角三角形中线与角平分线的几个不等式1xj汉语字典

On a Weighted Inequality for the Side of an Acute Triangle;关于锐角三角形边长的一个加权不等式1xj汉语字典

A difference replacement demonstration of the geometric inequalities of acute triangle and the corresponding application program锐角三角形几何不等式的差分代换证法及应用程序1xj汉语字典

a triangle whose interior angles are all acute.内角均为锐角的三角形。1xj汉语字典

grinding angle (=wedge angle,sharpness angle,tooth angle)锐度角,研磨角,楔角1xj汉语字典

THREE SOLUTION THEOREMS AND ACUTE ANGLE PRINCIPLE FOR NONLINEAR OPERATOR EQUATIONS非线性算子方程的三解定理与锐角原理1xj汉语字典

a journalist with an infallible nose for a story触角敏锐的新闻记者.1xj汉语字典

He rounded off the sharp corners with a file.他用锉把锐角磨圆。1xj汉语字典

all-paved branch全铺分支, 全铺锐角交叉1xj汉语字典

Ice has difficulty in negotiating sharp corners.冰很难越过尖锐的角隅。1xj汉语字典

This is a right angle; that is a sharp angle.这是一个直角，那是一个锐角。1xj汉语字典

Designating angles less than90=.锐角的表示小于90°度角的1xj汉语字典

DA triangle with one90° angle is a right triangle.一个角为90°的三角形是直角三角形。1xj汉语字典

Ascending Triangle上升三角形、平顶三角形1xj汉语字典

triangular diagram三角形图解,三角图1xj汉语字典

triangular pediment成等边三角形的三角墙1xj汉语字典

undersea delta潜三角洲, 水下三角洲1xj汉语字典

the trigonometry of spherical triangles.球面三角形的三角学。1xj汉语字典