But because the navigation safety is affected by many factors such as the eligibility of crew vessel 's conditions nature conditions traffic conditions ship-shore management level etc so vessels in distress ( or maritime disaster accidents ) are difficult to be avoided .

但是，由于船舶的航行安全受到船员的适任性、 船舶条件、自然条件、交通条件和船岸管理水平等诸多因素的影响，船舶 遇险（或称海难事故）仍难以避免。

Fighting four days and nights to successfully rescue a foreign vessel in distress & petrol ship M / V HAI XUN 31 on mission

奋战四天四夜成功救助 遇险 外轮信盈号&海巡31在行动

Conclusion Evaluation of hemodynamic changes in central and peripheral blood vessel of high risk pregnant fetuses have more accuracy and practical value in predicting fetal distress in uterus .

结论评价高危胎儿心脏和外周 血液动力学变化， 对预测胎儿 宫内 缺氧具有较大的准确性及实用价值。

If the vessel is in distress ship operators can be very timely report to the relevant maritime authorities for maritime search and rescue and relief help .

如果 船舶 遇险，船舶操作人员可以非常及时地向相关海事部门报告，为海事搜救和救援提供帮助。

Keep sharp lookout for sightings of vessel in distress and report .

保持对 遇险 船视觉了望并报告。

Vessel in distress no danger to navigation .

遇险 船对航行无危险。