逆价差交易(Back Spreading):买进远月份期货契约,卖出近月份期货契约的套利行为。基差(Basis):现货价格与期货价格两者间的差价(即基差=现货价格-期货价...
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back-arc spreading [海洋] 弧后扩张
back arc spreading 弧后扩张
back-arc spreading basin 弧后扩张盆地
back arc spreading center 弧后扩张环境
back-arc spreading basins 弧后扩张盆地
back-arc spreading center 弧后扩张中心
back-arc c spreading 弧后扩张
Spreading wastewater over fields, and allowing it to leach back through the soil into local waterways, turns out to be a reasonable way to purify it.
将废水浇灌到田里,这些水经过土壤的过滤后又重新流回当地的水系,这已经被证明是非常合理的污水净化方法。
They would then be immunized as a way to prevent the cancer from coming back and spreading.
然后,对他们进行免疫接种,来防止癌症复发扩散。
Keep the length in your spine and begin to elongate over your legs, spreading your torso long and avoiding any rounding in the upper back.
挺直上升这样将开始拉长你的腿,使你的躯干变长同时避免上背部任何的拖沓。
The explosions appear to have come from inside the buildings, with both the front and back windows of the Ritz Carlton blown off, spreading glass and debris across the street.
VOA: standard.2009.07.17
And while drivers and passengers alike in large motor homes are supposed to keep their seat belts fastened on the road, it's not uncommon to find someone in back reaching for cold refreshments, spreading maps out on a table - even taking a nap, fully reclined!
VOA: standard.2010.03.01
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