Naps must be taken every four hours on the dot; small deviations become possible only after at least a solid month of perfect or darn-near-perfect adherence to the schedule.
它还要求必须要每四小时打一次盹，只有在近乎完美地坚持至少一个月之后才能进行时间上的小小的调整。
Unlike the dot-com companies at the heart of the last speculative investment bubble, the new gold rush was centered on something that seemed unimpeachably solid — the American home.
与上次投机泡沫的中心.com公司不同，此次“淘金热”的中心看上去无比坚固——美国人的住房。
In this article two methods were used to connect active group on the surface of PET material. DCC and EDC were used to graft peptide. Method A is to graft GRGD on permanent dot of the solid surface.
探讨了在PET膜上以两种方法引入活性基团作为接口，分别选用DCC、EDC为接肽试剂，以A法—固相表面原位接枝四肽GRGD；
In this article two methods were used to connect active group on the surface of PET material. DCC and EDC were used to graft peptide. Method A is to graft GRGD on permanent dot of the solid surface.
探讨了在PET膜上以两种方法引入活性基团作为接口，分别选用DCC、EDC为接肽试剂，以A法—固相表面原位接枝四肽GRGD；
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