悲伤我
发表于 2025-3-21 19:12:20
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AORTA
发表于 2025-3-21 20:49:40
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讲个故事逗他
发表于 2025-3-22 01:59:01
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浸软
发表于 2025-3-22 05:28:46
Point and Line Features,their coordinates, (b) clicking with the computer mouse cursor at a location on the computer monitor screen, (c) importing coordinates from an external file, and (d) constructing points by various geometric methods. Of these four means of creating points, the first three are considered to be highly
GLARE
发表于 2025-3-22 12:15:07
Curve Features,te spirals and address their interaction with lines, circular arcs, and other spirals are addressed separately in Chap. .. Similarly, procedures that address parabolic curves are presented in Chap. ., while elliptic features are included in Chap. .. Quadratic or cubic curves may be created by use of
呼吸
发表于 2025-3-22 13:48:24
Tangencies,ngent to one or more lines and/or other circular arcs. In addition to the procedures of this chapter, there are three other procedures, the ., the . and the ., that have been described in Chap. .. These three procedures introduce an arc tangent to two lines under three distinct conditions.
呼吸
发表于 2025-3-22 18:14:39
Compound and Reversed Curves,ute related projects (levies, channels, and the like) the design civil engineer is faced with the need to create an alignment that is composed of a series of straight lines, circular arcs, and possibly spiral curves. When two or more circular arcs are connected to each other so as to be tangent at a
cogent
发表于 2025-3-22 22:26:24
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使苦恼
发表于 2025-3-23 04:28:21
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glucagon
发表于 2025-3-23 06:44:45
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