○○○ double standard ⪢⪢
Hong Kong's leader says foreigners are using a double standard when they talk about Chinese efforts to stop protesters in the city while ignoring unrest in the U.S.
http://qindex.info/i.php?x=9499
○○○ productivity ⪢⪢
Over time we've learned that accumulated knowledge raises our living standards. We call this productivity growth. #economy
http://qindex.info/i.php?x=19903
○○○ complacent ⪢⪢
Those who are inventive and hard-working raise their productivity and their living standards faster than those who are complacent and lazy. #economy
http://qindex.info/i.php?x=19904
 Particle Physics
The Standard Model of Particle Physics
http://qindex.info/i.php?x=3483
 21 Graphing Lines in Standard Form (ax + by = c)
Graphing Lines in Standard Form (ax + by = c)
http://qindex.info/i.php?x=5089
 35 Graphing Conic Sections Part 3: Parabolas in Standard Form
Graphing Conic Sections Part 3: Parabolas in Standard Form
http://qindex.info/i.php?x=5266
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