| 摘要 |
PCT No. PCT/JP88/01152 Sec. 371 Date Jul. 14, 1989 Sec. 102(e) Date Jul. 14, 1989 PCT Filed Nov. 15, 1988 PCT Pub. No. WO89/05007 PCT Pub. Date Jun. 1, 1989.In revising a figure element, the figure element (C2) to be revised is designated, the designated figure element (C2 ) is displayed by a type of line or and color different from those of other figure elements, the figure elements (S1, C1) used in defining the designated figure element (C2) are displayed by a line of a different type and color, a message (M) which includes definition statements of the figure elements (S1, C1), as well as a radius necessary for defining the figure element (C2), is displayed on a display screen, and revision of the figure element is executed by referring to the display.
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