修改9138题面
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@ -258106,7 +258106,7 @@
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"009138": {
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"009138": {
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"id": "009138",
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"id": "009138",
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"content": "过平面$\\alpha$外一点$P$的斜线段$PA$的长是过这点的垂线段$PB$的$\\dfrac{2\\sqrt 3}3$倍$(AB\\in \\alpha) $, 求斜线$PA$与平面$\\alpha$所成的角的大小.",
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"content": "过平面$\\alpha$外一点$P$的斜线段$PA$的长是过这点的垂线段$PB$的$\\dfrac{2\\sqrt 3}3$倍($A,B\\in \\alpha$), 求斜线$PA$与平面$\\alpha$所成的角的大小.",
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"objs": [],
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"objs": [],
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"tags": [
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"tags": [
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"第六单元"
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"第六单元"
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@ -258118,7 +258118,8 @@
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"usages": [],
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"usages": [],
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"origin": "二期课改练习册高三",
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"origin": "二期课改练习册高三",
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"edit": [
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"edit": [
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"20220726\t王伟叶"
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"20220726\t王伟叶",
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"20240128\t王伟叶"
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],
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],
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"same": [],
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"same": [],
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"related": [],
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"related": [],
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