然而，这种纯粹的视觉系统在恶劣天气下毫无用处，到了20世纪30年代，无线电通信开始用于空中交通管制。
However, this purely visual system was useless in bad weather, and, by the 1930s, radio communication was coming into use for ATC.
形状也提供更高的速度在恶劣天气条件下航行时。
The shape also offers higher speeds when navigating in adverse weather conditions.
船只可以在恶劣天气下也避开已知的冰山和曲折的海岸线。
Ships can avoid known icebergs or hazardous shorelines even in the roughest of weather.
时刻我们都有帐篷或直升机在手边以备在恶劣天气下做庇护之用。
There will be always a tent or helicopter close at hand to take shelter in from the adverse weather.
本月早前时候，一架黑鹰在恶劣天气中坠毁机上十二名成员死亡。
Earlier this month, a Black Hawk with 12 aboard crashed in bad weather near the northern city of Tal Afar.
在外壳上，每个光伏薄膜，它可以在恶劣天气下里面甚至安装技术装备。
On the outer shell, each is outfitted with photovoltaic film so it can power the technology installed inside even during inclement weather.
在恶劣天气的海区航行时，应当检查甲板上所有移动物体是否已按需要紧固。
It should be assured that all movable goods on deck should be fastened when navigating in a sea with boisterous weather.
这些新的传感器将允许该重达250磅的武器，在恶劣天气打击防区外范围内的移动目标。
These new sensors will allow the 250-pound weapon to hit moving targets from standoff ranges in bad weather.
在恶劣天气或流量受限条件下，建立了基于人工势场算法的改航路径规划模型。
Under severe weather or flow constrained areas, a new rerouting path planning model based on artificial potential field algorithm (APFA) was proposed.
因为更多飞机可以在恶劣天气里不用转航其他机场而安全降落，航班延误也会减少。
Delays can also be reduced because more aircraft can land safely in bad weather instead of having to divert to another airport.
例如：一些飞机与新型雷达装备配套，使其更容易在恶劣天气下在石油平台起飞或降落。
For example, some aircraft are kitted out with new radar equipment, making it easier to land and take off from oil platforms in bad weather.
纯豪华，在恶劣天气下您可以关闭该球场屋顶，然后球场成为一个大厅。草坪可以移出球场。
Pure luxury, in bad weather you can close the roof and the stadium becomes one big hall. The lawn can be moved out of the stadium.
彩色玻璃、钢架和木料建成的入口在恶劣天气中提供保护，并清晰地显示了通往校园的主入口。
The coloured glass, steel and wood entry portal provides weather protection, clearly marking the primary access to the campus.
在恶劣天气到来之前，物业以及设备管理人员可以先检查电梯机房设备通风口，门窗是否可能漏水。
Before any inclement weather happens, building and facility managers can start by inspecting the elevator machine room's ventilation openings, Windows and doors for possible rain leakage.
天公无情人有情，在恶劣天气条件下，伊宁机场又接受住了一次严峻的考验，圆满完成了春运第二阶段任务。
No Valentine's love God, in adverse weather conditions, Yining Airport accepted living in a severe test, successfully completed the task of the second phase of the spring.
在恶劣天气等能见度低的情况下，本设计能够对前方道路状况进行实时监控，发现并检测可能存在危险的障碍物，并将结果给司机进行提示。
This could give the driver alarm after instant detecting the front road's status and finding the possible dangerous obstacle. This design's structure and cost is simple and low.
运动员选择在恶劣的天气条件进行比赛，有被飞盘击中和伤害自己或其他运动员的危险。
Players choosing to compete in poor weather conditions risk being hit by the frisbee and injuring themselves or other players.
有时，由于恶劣天气或疾病，植物无法在一个国家生长，因此农民需要新的种子。
Sometimes plants can't grow in a country because of bad weather or disease, so farmers need new seeds.
由于恶劣的天气和强风，尼加拉瓜海军当局已经禁止在该地区进行海上旅行，但这艘游船仍继续出游。
Nicaraguan naval authorities had banned sea travel in the area because of bad weather and strong winds, but the tour boat proceeded anyway.
恶劣的天气推迟了探险队的行程，他们直到2月8日才到达新西兰。阿蒙森和斯科特已经在南极洲呆了一个月，并且准备过冬。
Bad weather delayed the expedition and they didn't reach New Zealand until 8 February; Amundsen and Scott had already been in Antarctica for a month, preparing for winter.
直升机在相当恶劣的天气下救助船舶失事的海员们。
Helicopters fly in appalling weather to succour shipwrecked mariners.
他们在一场又一场暴风雪中挣扎了一个星期，在最恶劣的天气里躲在帐篷里。
For a week they struggled through one blizzard after another, holing up in their tents during the worst of the weather.
许多种子需要一段时间分层的原因是为了保证种子在恶劣的天气来临之后而不是之前生长。
The reason why many seeds require a period of stratification is to guarantee that the seeds grow after and not before unfavorable weather.
农民可以在许多不同种类的农田中种植它，也可以在恶劣的天气中种植。
Farmers can grow it in many different kinds of farmland and also in bad weather.
由于天气恶劣，飞机在地面上又停留了两个多小时。
The plane remained on the ground for two more hours because of the bad weather.
我在医疗技术人员的工作中经常洗手，加上阿拉斯加的恶劣天气使我的皮肤非常干燥。
Frequent hand-washing in my job as a medical technologist and the harsh Alaskan weather combined to give me very dry skin.
运动员在恶劣的天气进行比赛时，有可能会被飞盘击中或者是打伤自己或其他伙伴。
Players choosing to compete in poor weather conditions risk being hit with the Frisbee and injuring themselves or other players.
北方或中部那两条铁路线在冬天面临恶劣的天气，而且这两条路将通过一个叫内布拉斯加的荒野。
A northern or Central Line would face severe winter weather. And it would have to cross a wild area called Nebraska.
在越南，恶劣的天气和虫灾的爆发严重损害了粮食收成。
在越南，恶劣的天气和虫灾的爆发严重损害了粮食收成。
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