While there are countless types of ergonomic keyboards, the most common are typically going to be angled keyboards and split keyboards. Angled keyboards, often referred to as “Alice”-style keyboards in the mechanical keyboard world (named after the TGR Alice), split the alphanumeric keys along the middle, positioning the two halves at an angle from one another while keeping the modifier keys (backspace, enter, shift, and so on) in their standard positions. The angle will vary between keyboards, as will the number of keys, but the main constant in an Alice-style keyboard is that, despite the halves being separated from one another, the keyboard itself is not split. It has one case that all of the keys are held in.
（1）油价走势及相关品种影响：关于周末地缘政治扰动对油价的影响，经地缘专家判断冲突烈度将逐步减弱，影响会逐步收敛，但短期仍需观望。预计未来一周布油在80美元上下震荡，随后将逐步回落。由于地缘事件后即将进入4月下旬的旺季，因此油价即便回落空间也不会很大。OPEC已决定4月份增产20万桶/天，这符合预期，底层逻辑是OPEC不希望油价上涨过程中美国抢占市场。此外，伊朗局势主要影响油、LPG、甲醇、尿素等品种，油价上涨会推高化工产品的成本曲线，但利差难以扩大，情绪层面化工板块普遍会有上涨表现。
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