正投影法中,投影面、观察者、物体三者相对位置如何? What is the correct relative position of the orthographic projection method ? projection plane, observer and object
A.人——面——物 observer—projection plane —object
B.物——人——面 object—observer—projection plane
C.人——物——面 observer—object—projection plane
D.面——人——物 projection plane —observer——object
第1题:
A. Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product
第2题:
All straight lines represent great circle tracks on a chart based on a(n) ______.
A.Mercator projection
B.polyconic projection
C.orthographic projection
D.gnomonic projection
第3题:
______is a rounded projection at the forward end of a ship which reduces water resistance,thus allowing an increase in speed when the ships is in ballast.
A.Bulbous bow
B.Ellipse bow
C.Cyclical projection
D.Gnomonic projection
第4题:
将物体放在三投影面体系中,按正投影法分别向三个投影面投影所得的三个图形叫()。
第5题:
平行投影法中的()垂直时,称为正投影法。
第6题:
怎样给一个元素相对定位()。
第7题:
平行投影线垂直于投影面的投影法称为()。将物体用正投影法向投影面投影所得到的图形称为()
第8题:
将物体放置在三投影面体系中,按正投影法向各投影面投射,即可分别得到物体的正面投影、水平投影和侧面投影。
第9题:
Azimuthal gnomonic projection
Lambert conformal projection
Transverse Mercator projection
Polyconic projection
第10题:
A
B
C
D
第11题:
Selection, projection, join
Difference, projection, join
Selection, intersection, join
Intersection, projection, join
Difference, projection, product
第12题:
difference, projection, join
selection, projection, join
selection, intersection, join
intersection, projection, join
difference, projection, product
第13题:
A polyconic projection is based on a ______.
A.plane tangent at one point
B.cylinder tangent at one parallel
C.cone tangent at one parallel
D.series of cones tangent at selected parallels
第14题:
What information is NOT found in the chart title?
A.Survey information
B.Scale
C.Date of first edition
D.Projection
第15题:
A chart projection depicting the poles and a small area on either side of a connecting meridian, that is sometimes used for star charts, is the ______.
A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection
第16题:
第一视角:是按人(观察者)--物(机件)--面(投影面)的相对位置,作正投影所得的图形的方法。我国侧重()画法。
第17题:
用正投影图法,物体向投影面所得的图形叫做作视图。
第18题:
第一角法又称第一象限法,右列何者是正确的正投影顺序?()
第19题:
当position属性的取值为relative时,可以将元素定位于相对位置。
第20题:
根据投射线与投影面的相对位置关系,平行投影法分为正投影法和斜投影法两种。
第21题:
Selection, projection, join
Difference, projection, join
Selection, intersection, join
Intersection, projection, join
Difference, projection, product
第22题:
投影面→物体→观察者
观察者→投影面→物体
投影面→观察者→物体
观察者→物体→投影面
第23题:
off/standby
standby/off
standby/close
close/standby
第24题:
对
错