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3、绘制三视图的时候,可以省略投影面、投影轴、视图名称。 We do not need to mark the names of projection planes , projection axes and views while making three views.
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正投影法
更多 “3、绘制三视图的时候,可以省略投影面、投影轴、视图名称。 We do not need to mark the names of projection planes , projection axes and views while making three views.” 相关考题
考题
A SELECT statement can be used to perform these three functions:1. Choose rows from a table.2. Choose columns from a table3. Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities? ()A. difference, projection, joinB. selection, projection, joinC. selection, intersection, joinD. intersection, projection, joinE. difference, projection, product
考题
下列有关三视图说法正确的是()。A、三个相交的投影面可以构成三投影体系B、三视图中的投影必须符合三等关系C、一般正投影面用V表示,水平投影面用W表示D、三个投影轴互相垂直交于一点,这点称为交点
考题
A SELECT statement can be used to perform these three functions: 1. Choose rows from a table. 2. Choose columns from a table 3. Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities?()A、difference, projection, joinB、selection, projection, joinC、selection, intersection, joinD、intersection, projection, joinE、difference, projection, product
考题
单选题A SELECT statement can be used to perform these three functions: 1.Choose rows from a table. 2.Choose columns from a table. 3.Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities?()A
difference, projection, joinB
selection, projection, joinC
selection, intersection, joinD
intersection, projection, joinE
difference, projection, product
考题
单选题下列有关三视图说法正确的是()。A
三个相交的投影面可以构成三投影体系B
三视图中的投影必须符合三等关系C
一般正投影面用V表示,水平投影面用W表示D
三个投影轴互相垂直交于一点,这点称为交点
考题
判断题在编辑工程图时,投影角(Projection)参数只能在没有产生投影视图的情况下被修改,如果已经生成了投影视图,只有将所有的投影视图删除后,才可以进行投影角参数的修改。A
对B
错
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