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onshape ---- 云端cad虽然方便，但是技术瓶颈还不少。上周发现一个很烦人的。
本目录下的编辑模式只能对当前目录中的元文件适用，意思就是如果是从另外一个目录插入进来的文件，无论怎样都无法编辑。
这就导致很多蛋疼的问题了。
最严重的后果就是必须得在一个目录下建立所有部件。
其实不算什么操作难题，只是在整理上会有很大的不便。

另外，Assembly单元里，嵌合工具的便捷度无法达到预期。
对于插入进Assembly的部件，在部件子目录下编辑后，Assembly中可以直接关联。而Assembly中的嵌合工具却无法得到关联。
虽然帮我省了很大一部分工作，但是剩下没有解决的那一部分工作更多。

目前的用户体验可以说是比较优秀，但是onshape的开发部门两年都没能解决不同目录下插入文件的编辑问题实在是不应该。

要让原本花费许多次修改才集成的各种制图元素与云端技术结合，应该是一件值得兴奋的事情。作为已经问世超过两年的软件，希望可以为这个生态注入一点活力。

GeneralIdeas of Organic Light Emitting Diodes and Relevant Designs of LaboratorialEquipment
Abstract
Organic electronics are a promising newoption for optical technology. Organiclight emitting diodes (OLEDs) can be fabricated at low cost and printed onflexible displays. They can be chemically tuned to produce any desiredwavelength of light and their viewing angle is greater than that of theirinorganic counterparts. They also have been shown to have interesting magneticfield effects which open up the possibly for new applications. To study ourOLEDs optical, electrical, and magnetic properties a specialized mount had tobe designed. This was done using a cloud-based computer-aided draft (CAD)program, OnShape. By using OnShape, we were able to address the technicalrequirements for measurement, study the mechanical feasibility of our proposeddesign, and consider its integration with equipment already in place in ourlaboratory all prior to construction. In addition, we also took into accountdesign materials which would not alter measurements of magnetic fieldproperties.
Presenter:Luogen Xu

继续发掘onshape的技术局限

Assembly项目中没有参考平面！！！！

疯了，只能自己造