单选题
Service{{U}} {{U}} 71 {{/U}}
{{/U}}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{{U}} {{U}} 72 {{/U}} {{/U}}architecture.
Service Data Objects aims to provide consistent means of
handling{{U}} {{U}} 73 {{/U}} {{/U}}within applications,
whatever its source or (74) {{/U}}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{{U}} {{U}} 74 {{/U}} {{/U}}from
its source.