本文介绍研制的新型铸造铝合金zl305a是一种强度高，时效稳定性好，耐蚀性优良的船用新材料。
Casting aluminium alloy ZL305A is a new shipbuilding material with high strength, good ageing stability, excellent corrosion resistance.
床身、横梁、立柱等主要部件均经过时效处理，稳定性好，加工精度高；
The main components such as body, crossbeam, column etc. were through aging treatment, so they have good stability and high machining precision.
由于证券交易具有非常强的时效性、准确性和安全性的要求，所以交易系统的稳定性、可靠性和迅速响应能力至关重要。
The securities exchange has very strong time limit, accuracy and security, so it is very important for the trading system to have the stability, reliability.
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