我们利用三维MHD 方法首次对上行离子流触发的亚暴膨胀相起始过程进行了研究。
The key problem is if the ions upflow can really trigger the substorm onset? A 3-D resistive MHD simulation is carried o.
当致癌物作用于细胞时，它们可能会引起细胞永久性改变，这种改变使人易患癌症，这就是我们所说的肿瘤起始过程。
When carcinogens act on a cell, they may cause a permanent change which predisposes to cancer - a process known as tumour initiation.
问题记录是该通用工作流过程中的起始点。
The Issue record is the starting point in this common workflow process.
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