例文・使い方で印象づける「vector」の覚え方
スポンサーリンク...By examining the inequalities of the other planets he found that theyall moved in elliptic orbits, and that the radius vector of eachdescribed areas proportional to the times... 
David Brewster 「The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler」
...The radius vector of each planet moves over equalareas in equal times...
George C. Comstock 「A Text-Book of Astronomy」
... The radius vector (or line joining sun and planet) sweeps outequal areas in equal times...
Oliver Lodge 「Pioneers of Science」
...In 1822the planets were in conjunction, and the force would then perturb theradius vector (or distance from the sun), but not the longitude (orplace in orbit)...
Oliver Lodge 「Pioneers of Science」
...Adams: Did the new theory explain the errorsof the radius vector or not? The reply of Leverrier was both prompt andsatisfactory—these errors were explained, as well as all the others...
Oliver Lodge 「Pioneers of Science」
...He also now answered quite satisfactorily, but too late, the questionabout the radius vector sent to him months before...
Oliver Lodge 「Pioneers of Science」
...And the way it increases will be for the radius vector tolengthen, so as to sweep out a bigger area...
Oliver Lodge 「Pioneers of Science」
...The line drawn from the sun to any point of theorbit (the string from pin to pencil point) is a radius vector...
George C. Comstock 「A Text-Book of Astronomy」
...Now the area of the triangleCAD, swept out by the radius vector in unit time, is ½bh; h beingthe perpendicular height of the triangle from the base AC...
Oliver Lodge 「Pioneers of Science」
...They concerned the error of the radius vector...
Oliver Lodge 「Pioneers of Science」
...If it were a material substance, to which the law ofgravitation applied, it must be moving in a conic section with the sunin one focus, and its radius vector must sweep out equal areas in equaltimes...
Oliver Lodge 「Pioneers of Science」
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indulgence introductory declaiming
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