Radius

(noun.) the length of a line segment between the center and circumference of a circle or sphere.

(noun.) the outer and slightly shorter of the two bones of the human forearm.

(noun.) a circular region whose area is indicated by the length of its radius; 'they located it within a radius of 2 miles'.

(noun.) a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere).

邦妮整理

• It consisted of a graduated arc of soli d polished brass five inches broad, two inches thick, and with a radius of about six and three quarters feet. 李贝. 西洋科学史.
• Dairymen collect milk over a radius of thirty or forty miles and get it to market fresh. 佚名. 神奇的知识之书.
• For example, the sid e of a hexagon inscribed in a circle is equal to the radius, and is the chord of 60°, or of the sixth part of the circle. 李贝. 西洋科学史.
• He wrote to Leverrier in reference to the errors of the radius vector and received a satisfactory and sufficiently compliant reply. 李贝. 西洋科学史.
• At one point the grade dropped some sixty feet in a distance of three hundred, and the curves were of recklessly short radius. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I have also examined every stable and out-house in Tavistock, and for a radius of ten miles. 阿瑟·柯南·道尔. 福尔摩斯回忆录.
• The radius is divided into sixty equal parts, and these again divided and subdivided sexage simally. 李贝. 西洋科学史.
• He approximated more closely than the Egyptians the solution of the problem of the relation between the area of a circle and the radius. 李贝. 西洋科学史.
• That circle is drawn at a radius of ten miles from the village. 阿瑟·柯南·道尔. 福尔摩斯历险记.
• The aviator who goes up to a level a mile above the sea is able to see everything within a radius of ninety-six miles and the further up he goes the larger the earth’s circle becomes to him. 佚名. 神奇的知识之书.
• That motor trucks not only furnish cheaper transportation than horse-drawn vehicles, but greatly extend the radius of operation, is quite generally conceded. 佚名. 神奇的知识之书.
• The track curved sharply at either end on a radius of fifty-six feet, and the length was about one-third of a mile. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Experiment demonstrates that a weight _W_ attached to a cogwheel of radius 3 can be raised by a force _P_, equal to one third of _W_ applied to a cogwheel of radius 1. 伯莎M.克拉克. 科学通论.
• We started the locomotive with nobody on it, and got up to twenty miles an hour, taking those curves of very short radius; but it was weeks before we could prevent it from running off. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• That gives a radius of ten or twelve miles, and he does it once, or sometimes twice, a day. 阿瑟·柯南·道尔. 福尔摩斯归来记.
• For example, in a wheel and axle of radii 20 and 4, respectively, a given weight at _P_ would balance 5 times as great a load at _W_. 伯莎M.克拉克. 科学通论.

录入:罗莎莉