严格

strict; rigorous; stringent; tight; severe; stern; rigid; exacting; firm; exact; narrow; relentless; extreme; stiff; hard-and-fast; hard-eyed; enforce strictly; adhere strictly; apply rigorously; rigorously enforce; rigour; exactitude; strictly; narrowly; severely; technically

遵守

observe; follow; keep; uphold; obey; respect; abide by; comply with; adhere to; conform to; stick to; adherence; compliance; observance

先后

successively; sequentially; consecutively; order; sequence

次序

order; sequence; ordering; turn; succession; arrangement