也许你应该尝试一些拼写变化:
simulation environments » simulation environment, population environment, population environmental
environments based » environment based, environments a
based extraction » based interaction, phase extraction, based education
methods laue » methods large, methods laser, methods land
methods line » methods linear, methods linda, methods blind
method lisa » method linear, method laser

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: simulation environments based extraction ((((methods laue) or (methods line))) or (method lisa))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: simulation environments based extraction ((((methods laue) OR (methods line))) OR (method lisa)).
• Adding a wildcard symbol may retrieve word variants: simulation environments based extraction ((((methods laue) or (methods line))) or (method lisa))*.