. . . "0"^^ . . "104908348"@en-us . . . "envelope"^^ . "the maximum operating capability of a system (especially an aircraft); \"test pilots try to push the envelope\""@en-us . . . . . . "05204473-n"^^ . . "104050337"@en-us . "0.125"^^ . "envelope"@en-us . . . "the maximum operating capability of a system (especially an aircraft); \"test pilots try to push the envelope\""@en-us . . . . "105204473"^^ .