research & development; R&D

開発輸入: develop-and-import formula (i.e. developing resources, etc. abroad and then importing them)

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

developmental dictatorship, a type of dictatorship that prioritizes economic and social development than political participation and human rights of citizens

powerful and influential group; a clique

to attack, to strike, to cut

work done for material gain, to make a living

(number theory) twin prime, a prime number that is either 2 less or 2 more than another prime number, such as 3 and 5

door hinge / pivot / center of power

(mathematics) pure mathematics