//纯计算题,三角形内,已知两点坐标A(x1,y1),B(x2,y2)，求第三点的坐标C(x3,y3),其中顶点A,B到C距离都为2//由 (x3-x1)^2+(y3-y1)^2=4 和 (x3-x2)^2+(y3-y2)^2=4 //可得 2(x2-x1)*x3+2(y2-y1)*y3=x2^2-x1^2+y2^2-y1^2 (1)//设A,B距离为L,则顶点C到直线AB的距离 H=2*sin<CAB=2*√(1-L^2/16) //再应用点( x0,y0)到直线ax+by+c=0 的距离公式 |ax0+by0+c|/√(a^2+b^2)//可得 H=| 1/(x2-x1) *x3 -
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2011-07-04 18:17:00
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Two CylindersSpecial Judge Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others)Submit Statistic Next ProblemProblem Description In this problem you
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2021-09-04 15:45:15
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先算出积分表达式：
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2023-07-05 19:06:18
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题目链接：点击打开链接给定r1,r2表示2个圆柱体的半径这两个圆柱体高是正无穷，互相垂直，问相交的最大面积#include #include #include #include #define M 410#define inf 0x3f3f3f3fconst double eps = 1e-8;template inline bool rd(T &ret)
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2021-08-13 14:04:39
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Flow Around Circular Cylinders Volume 1: Fundamentals- zdrakovichNominally Two-Dimensional Cylinder In An Almost Disturbance-Free FlowConceptual overv
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2021-07-28 11:38:19
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suselinux:~ # fdisk -l
Disk /dev/sda: 85.8 GB, 85899345920 bytes
255 heads, 63 sectors/track, 10443 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End
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2013-06-18 00:00:39
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服务器端： [root@scsi ~]# fdisk -l Disk /dev/sda: 32.2 GB, 32212254720 bytes 255 heads, 63 sectors/track, 3916 cylinders Units = cylinders of 16065 * 512 =
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2021-08-07 11:24:21
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Oracle ASM for linx as 4 x86- 创建过程1、划分区 Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16...
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2010-01-06 12:03:00
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root@chenzhijun-lnx:/etc# fdisk -l
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/ph
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2011-06-24 16:26:18
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1. 添加了磁盘后查看，没有刷新出来 [root@node /]# fdisk -l Disk /dev/sda: 17.2 GB, 17179869184 bytes 255 heads, 63 sectors/track, 2088 cylinders Units = cylinders of
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2020-04-01 11:35:00
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一、sfdisk -l
[root@localhost ~]# sfdisk -l
Disk /dev/sda: 4863 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
Device Boot
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2011-11-30 17:47:08
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bj-207:~ # fdisk -l
Disk /dev/sda: 299.4 GB, 299439751168 bytes
255 heads, 63 sectors/track, 36404 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot &n
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2012-08-08 00:42:03
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创建、管理LVM： 创建分区 Disk /dev/xvdc: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 byt
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2014-08-24 18:03:57
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查看新增的磁盘[root@FTPAP ~]# fdisk -l
Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical
第一、检查硬盘设备是否有数据盘 # 先执行 fdisk -l # 以下是执行结果 Disk /dev/vda: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16 ...
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2021-08-06 10:17:00
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#fdisk -l /dev/sda
Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id Sys
fdisk –l 查看磁盘
Disk /dev/sda: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot&nbs
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2013-01-04 23:33:07
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一、Linux磁盘分区UUID的获取方法
1、# fdisk -l
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
240 heads, 63 sectors/track, 129201 cylinders
Units = cylinders of 15120 * 512 = 7741440 bytes
Sector size (logic
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2011-11-23 11:21:46
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[root@rhel5 ~]# fdisk -l Disk /dev/sda: 68.7 GB, 68719476736 bytes 255 heads, 63 sectors/track, 8354 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Bo
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2014-06-23 13:05:00
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# fdisk -l
Disk /dev/hda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes （7M多每个柱面）
Device Boot Start End
