Adequate filtering procedures must be applied in order to distinguish the objects of interest from other objects and the background.
举一反三
- 124. ______ objects are those which stand out clearly from the background or other objects and are easily identifiable from a few miles offshore in normal visibility.
- Objects have the property of ______ —although objects may know how to commu- nicate with one another across well-defined interfaces, they normally are not allowed to know how other objects are implemented.
- Three objects are brought close to one another, two at a time. When objects A and B are brought together, they attract. When objects B and C are brought together, they repel. Which of the following are necessarily true? A: Objects A and C possess charges of the same sign. B: Objects A and C possess charges of opposite sign. C: All three objects possess charges of the same sign. D: One object is neutral. E: Additional experiments must be performed to determine information about the charges on the objects.
- Counting is different from number sense in that counting is ______. A: dependent on simpler mental activity B: a kind of ability possessed by man C: found in animals as well as man D: the ability to distinguish differences in small sets of objects
- How is the quartz heater different from other types of heaters A: It heats only the objects in a room. B: It is lighter in weight. C: It heats the room quicker. D: It is more common.