81. FLOATING CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines _____.
举一反三
- Monsoons are characterized by ___ . A: light, variable winds with little or no humidity B: strong, gusty winds that blow from the same general direction all yea C: steady winds that reverse direction semiannually D: strong, cyclonic winds that change direction to conform to the passage of an extreme low pressure system
- In the free space, the magnetic strength of the magnetic field of infinite plane current (excluding the thickness of the plane current) is [img=14x24]1803b72d2d865c9.png[/img]=______. A: μ0i, whose direction is the same as the current B: μ0i/2, whose direction is the same as the current C: μ0i, whose direction is perpendicular to the current D: μ0i/2, whose direction is perpendicular to the current
- The following features that do not belong to floating elements are( ) A: Floating elements<br/>will be automatically set to block elements for display B: A floating<br/>element is in the same position in the vertical direction as when it<br/>is not defined as floating C: The floating<br/>element is horizontal, and it will be as close as possible to the<br/>edge of its parent element D: Block elements do<br/>not drill under floating elements and are not covered by floating<br/>elements.
- When the field surface is covered by gravel, soil erosion caused by rain and strong winds can be effectively prevented.（ ）
- turtle.fd(200) is the turtle's distance to the current direction of travel by ______ pixels.