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【简答题】
存储器是计算机中的记忆设备,用来存放数据和( )
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举一反三
【单选题】零件测绘的正确步骤是
A.
先画零件草图；再画尺寸界线和尺寸线；最后再测量尺寸，并标注尺寸数字。
B.
先测绘尺寸；再画零件草图，最后标注尺寸
C.
先测绘尺寸； 再标注尺寸；最后画零件草图
D.
其它
【单选题】Attached macroalgae have a ( ) advantage over free-floating phytoplankton as nutrient indicators.
A.
distinct
B.
distinctive
C.
discrete
D.
distinguished
【简答题】To explore the impact of environmental variables on macroalgal communities, their temporal and spatial distributions were examined along the Yantai coast, China between April 2010 and March 2011. Macr...
【单选题】Single-celled algae found in fresh or marine waters are
A.
kelps.
B.
phytoplankton.
C.
macroalgae.
D.
cyanobacteria.
E.
chlorophytes.
【简答题】请翻译以下英文: Seagrass decline caused by the macroalgae blooms is becoming a common phenomenon throughout temperate and tropical regions. We summarized the incidence of macroalgae blooms throughout the wor...
【简答题】Seagrass decline caused by the macroalgae blooms is becoming a common phenomenon throughout temperate and tropical regions. We summarized the incidence of macroalgae blooms throughout the world and th...
【单选题】零件测绘的正确步骤是
A.
先测绘尺寸；再画零件草图，最后标注尺寸
B.
先画零件草图；再画尺寸界线和尺寸线；最后再测量尺寸，并标注尺寸数字。
C.
画零件草图和标注尺寸同时进行。
D.
NONE
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