Problem: (1) The word nanosecond is formed by the prefix '' nano '' and the second is a basic unit of time or one sixtieth of the second .
(2) The word nanosecond is formed by the prefix '' nano '' and the basic one is second a second unit of time or a sixtieth of a second .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) Kublai built schools for Chinese scholars , spent paper money , revived Confucian rituals , and supported policies that stimulated agricultural and commercial growth .
(2) Kublai built schools for Confucian scholars , issued paper money , revived Chinese rituals , and endorsed policies that stimulated agricultural and commercial growth .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) A Kepler triangle is a right-angled triangle with edge lengths in geometric progression , whereby the ratio of the edges of a Kepler triangle is bound to the golden ratio .
(2) A Kepler triangle is a right triangle with edge lengths in geometric progression . The ratio of the edges of a Kepler triangle is linked to the golden ratio

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) Central forces that are conservative can always be expressed as the potential gradient of a negative energy .
(2) The conservative central forces can always be expressed as a negative gradient of a potential energy :

Do (1) and (2) mean the same thing?
A:
no