вариант

см. тж. в качестве варианта; видоизменение; разновидность; способ

• Once several alternative syntheses have been outlined in this way, the most promising approach can be selected.

• TF 791C/1 is an alternative to (or a variant of) the existing TF 79/C.

• The actual method employed was a variation of this method.

• Two versions of the machine are available, the F12-1 for turning only, and the F12-111 for turning and second operations including cross-drilling, slotting, etc.

• A variation of the previous electrode is one in which ...

• Another version of the theory ...