阿诺：在实用性方面，新的装置也会比较安静。
ARNOLD: it's more practical, and the new units really are very quiet.
比较了燃气炉分户供暖与燃煤集中供暖在实用性与经济性方面的特点。
Compares the features of household heating by gas fired boilers and coal fired central heating in applicability and economics.
SPKM的数据格式和过程被设计成在实用性方面与Kerberos机制的类似。
SPKM data formats and procedures are designed to be as similar to those of the Kerberos mechanism as is practical.
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