英:['si:kənt]
美:['sikənt]
英:['si:kənt]
美:['sikənt]
se·cant
si kaent [or] si knt
noun
a straight line cutting a curve at two or more points
a straight line drawn from the center of a circle through one end of a circular arc to a tangent drawn from the other end of the arc
a trigonometric function that for an acute angle is the ratio of the hypotenuse of a right triangle of which the angle is considered part and the leg adjacent to the angle
a trigonometric function sec θ that is the reciprocal of the cosine for all real numbers θ for which the cosine is not zero and that is exactly equal to the secant of an angle of measure θ in radians
secant method[化]割线法;正割法
hyperbolic secant双曲正割
三角函数的基本功能之一,起源于1590年代的拉丁语 secantem(主格 secans)“切割”,是 secare “切割”的现在分词(来自 PIE 根 *sek- “切割”)。首次由丹麦数学家托马斯·芬克(Thomas Fincke)在 "Geometria Rotundi"(1583年)中使用。相关词汇: Secancy(“成为切线的状态”)。
正割
New Latin secant-, secans, from Latin, present participle of secare to cut — more at saw
The first known use of secant was in 1593
seclusionnoun
the act of secluding : the state of being secluded
a secluded place
seclusionnoun
the act of secluding : the state of being secluded
a secluded place
seclusionnoun
the act of secluding : the state of being secluded
a secluded place
secludedadjective
hidden from view
a secluded valley
living in seclusion : solitary
secluded monks
secludeverb
to keep away from others : secrete, hide
secluded themselves
to shut away : screen, isolate
a cottage secluded by forests
secessionistnoun
one who joins in or supports a secession
secessionistnoun
one who joins in or supports a secession
secessionnoun
the act of seceding
secedeverb
to withdraw from an organization (as a nation, church, or political party)
secantnoun
a straight line that intersects a curve at two or more points
a trigonometric function that is the ratio between the hypotenuse in a right triangle and the side next to an acute angle
1 Bored secant pile is mostly constructed by bushing pile rig in our country.
咬合桩在国内一般使用套管钻机施工。
2 We can calculate the slope of the line connecting the two points and called a secant line, by applying the slope formula,
3 Accordingly, an observation of the temperature produced by solar radiation at a zenith distance whose secant is twice that of the secant of 17° 12', viz.,
4 The value of the complement of the secant is called the cosecant.
正割函数的倒数,称为余割函数。
5 If we choose to change y instead of x by the same incremental value h, then the secant line is parallel to the y-axis and so is the tangent line.
6 The bullet had entered near the point of the shoulder, but a little below, so that it had merely cut a secant through the curve of the muscle.
7 The sign of the chirp also affects the spatial intensity distribution of the ultrashort hyperbolic secant pulsed beams.
啁啾系数的大小和符号对双曲正割脉冲光束空间强度的分布有不同的影响。
8 For the following exercises, use the secant method, an alternative iterative method to Newton’s method.
9 Figure 3.3 We can calculate the slope of a secant line in either of two ways.
10 We will see that each of these two methods for finding the slope of a secant line is of value.
11 Automatic sewing machine secant what are the requirements of the operation?
自动锁线机割线的操作要求是什么?
12 Figure 4.25 The Mean Value Theorem says that for a function that meets its conditions, at some point the tangent line has the same slope as the secant line between the ends.
13 The detailed comparison shown that secant modulus ratio isn't constant, this phenomenon is exist even though at the quasi-elastic deformation phase.
详细的比较表明,在不同的变形阶段,两者割线模量之比并非常数,即使是在准弹性变形阶段,也存在这一现象。
14 Cutting and interlocking between the primary and secondary secant piles are realized ingeniously with the method of delaying concrete setting-time.
利用延缓砼凝固时间的方法,巧妙地实现了相邻桩间的切割咬合。
15 Seated at the same table as herself was a skilful sailor, using logarithms, secants and cosecants, polar distances and hour angles, as if he were in some university class-room.
16 The distances at which it is heard vary as the secants of a circle, the radius in this case being a length which is the closest approach of the ear to the bell.
17 The sine, cosine, secant, and cosecant functions have a period of 2π.
18 Just as we have used two different expressions to define the slope of a secant line, we use two different forms to define the slope of the tangent line.
19 We formally define a secant line as follows:
20 It is reasonable to fit the relation curve between secant-modulus difference and pressure by using exponential form.
割线模量差与初始含水量的关系曲线按指数形式进行拟合比较合理。
2 分割
split segmented division divide fraction distinction partition segmentation meiosis scission segment dissever dispart separate sever dismember cut and carve divided dividual severance split-up disseverance segmentalize portion comminute divide up divisional part dissect repartition compart
3 分割的
4 切
cut section chip trench scotch scorch whittle incise skive tangental shear touch slice chop notch
5 切的
6 正切