adj. tangent ; tangential
一个凹函数的图象总在它的切线的下方。
The graph of a concave function is always below its tangent.
这一点和圆心的连线平分这两条切线的夹角。
The line connecting the point and the center bisects the included Angle of the two tangent lines.
讨论了圆的切线及两圆内外公切线的一般求法及步骤。
The general ways and procedures of working out internal and external co-tangents of circles are discussed.
The basic idea is, you take a guess and you -- whoops -- and you find the tangent of that guess.
首先取个猜想数,然后,嗯,去取猜想数那儿的切线。
Somebody else might say, well I want to just hold this point, I want to hold the tangency portfolio.
而另外的某些人可能会说,我就想按这个点的比例来持有投资,我想持有切线投资组合。
Show me a place where that's not true where the tangent line will be really bad.
请给我个这个原则不对的例子,也就是说切线没起到相应作用的例子。
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