upper level

基本解释

Business Entities also surface at the upper level as entities exchanged between Business Process Realizations.
業務實躰同樣在一個更高層次上作爲實躰在業務処理實現之間被交換。
The upper level of the SCSI subsystem represents the highest-level interface from the kernel (the device level).
SCSI 子系統的較高層代表的是內核（設備級）最高級別的接口。
At the top is what's called the upper level, which represents the highest interface of the kernel for SCSI and drivers for the major device types.
頂部的那層叫做較高層，代表的是內核針對 SCSI 和主要設備類型的敺動器的最高接口。

"Everything from basic language skills of agreement of subject and verb, use of commas and other punctuation, complete and incomplete sentences, so that we can move from basic writing/language skills to the more sophisticated skills that graduate students, upper level undergraduates and people in the work world use."
The upper level winds are still transporting that down towards the U.K.and northwest Europe.
"I think we're going to get the upper level winds carrying that ash down for a few more days yet until the upper wind patterns change which will probably not happen until the time frame Thursday-Saturday.

The upper level opens to the main patio, garden and pool with attached water slide.
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