Service (71) Architecture aims to provide a model for the creation of service components in a wide range of languages and a model for assembling service components into a business solution-activities which are at the heart of building applications using a (72) architecture.
Service Data Objects aims to provide consistent means of handling (73) within applications, whatever its source or (74) may be. SDO provides a way of unifying data handling for databases and for services. SDO also has mechanisms for the handling of data while (75) from its source.

A．link

B．format

C．procedure

D．structure

轻潜水作业使用氧气呼吸器的潜水深度不应超过（）m，使用空气呼吸器的潜水深度不应超过（）m，使用氦氧混合气呼吸器的潜水深度不应超过120m。