twice firing

基本解釋

MESSENGER is scheduled to fly past Mercury twice more before firing its thrusters to enter orbit in 2011.
2011年在MESSENGER飛船點燃推進器進入水星軌道之前，預計它還將飛越水星兩次以上。
blog.sina.com.cn
Firms think twice about firing, and governments are keener to provide in-work subsidies if it means avoiding payouts to the newly jobless.
企業(yè)會對炒員工魷魚思考再三，并且政府更熱衷于為在崗工人提供津貼，這意味著避免了給新失業(yè)者發(fā)放補助。
As more Alawites and other fence-sitters step forward to join the protesters, the security forces will think twice about firing on unarmed civilians.
當更多的阿拉維派教徒和其它中立人士加入游行的時候，安全部隊要向人群射擊的時候就要考慮再三了。
blog.sina.com.cn

Firms think twice about firing, and governments are keener to provide in-work subsidies if it means avoiding payouts to the newly jobless.
ECONOMIST: Productivity growth
The already-injured Captain Seog survived being shot four times, including twice in the abdomen, by pirates firing in revenge.
FORBES: Korean Ship Captain Honored for Extraordinary Bravery at Sea

二次燒成
Ceramics glazed tile is important constitute part of architectural pottery, which possess solidity wear, fireproof, waterproof performance and decorate quality. Its traditional manufacture way was adopt twice firing technics.
陶瓷釉面磚是建筑陶瓷的重要組成部分,它具有堅固耐久、防火、防水的性能和裝飾建筑等優(yōu)點,其傳統(tǒng)生產方法是采用二次燒成工藝,既先在1200～1280℃進行素燒,然后經(jīng)施釉在1150～1200℃進行釉燒。
材料科學
二次燒成