generation; the world; the age
early (days); initial stage; initial
to start; to begin; to start up (a business, society, etc.); to open (e.g. a store); to start ...; to begin to ...
equipping; installing; fitting; mounting; putting on
output (electrical, signal, etc.)
boundary; (nuclear) criticality; critical (mass, pressure, temperature, state, point, etc.)
reaching; attaining; arrival
phase transition; phase change; phase transformation
(initial) setup; installation
entry (event, competition, etc.); applying for entry; registering to participate; entry (blog, database, etc.); post
discrimination; discernment; identification
registration; accession; register; entry; record
completion; conclusion; perfect (tense, form, aspect)
man-machine interface; MMI
establishment; settlement
resonance; sympathy (with a view, idea, etc.)
(organ) rejection; unthinking dismissal; strong reaction (against)
tolerance level; permissible range; acceptable limits
avenue; street; coming and going; street traffic; flow (of water, air, etc.); transmission (of sound); reach (e.g. of voice)
formation; establishment; conclusion (e.g. of a deal); reaching (e.g. an agreement); being valid (of a theory, argument, etc.); holding
back; backing; going backwards; background; backdrop; backhand; backer
recognition; acknowledgement; acknowledgment; approval; consent; agreement
abruptly; suddenly; all of a sudden; without warning
top recommendation; (something) highly recommended
inspection; examination; check
reinforcement (e.g. of troops)
combat; battle; action; active service; actual fighting
all members; all hands; everyone; everybody; whole crew
just like that; in the twinkling of an eye; in the blink of an eye; (lit.) in the time it takes to say "ah!"
one machine; one aircraft; one life
new type; new style; new model; new strain (e.g. infectious disease)
for the first time; only after ... is it ...; only when ... do you ...; first time; (one's) first