The rise of magma, its accumulation in Chambers, its propulsion into fractures-these events produce chemical signals that reach the surface well ahead of the magma itself.
岩浆抬升，在火山内部累积以及被挤压到地层的破裂位置——这些事件都会在岩浆从地表露头之前引发化学信号。
When the broad market indices fall firmly below the 200-day average, it signals an extended bearish period ahead.
如果广域市场指数结结实实地掉到200日移动平均线以下，则标志着市场将长期走跌。
Red has meant stop since long before cars existed, with train signals' use of red dating back to the days when mechanical arms lifted and lowered to indicate whether the rail ahead was clear.
红色很早以前就被用作火车信号，那时汽车还没出现，而铁路用机械臂板上升下降来代表前方是否有火车驶来。
After one-step-ahead prediction, the predicted results of these signals are combined into the final predicted result of the original load series.
然后分别对各信号进行一步预测并组合预测结果，获得原始负载的最终预测。
In the week ahead, oil traders will be focusing on U. s. stockpile data on Tuesday and Wednesday for fresh supply-and-demand signals.
本周原油交易商将关注周二和周三美国库存数据以了解最新供需信号。
At several junctions there will be separate signals for cars and bikes, and while cars will be held by a red light, cyclists will be permitted to turn right or go straight ahead.
在几个十字路口，汽车和自行车将有各自的信号灯，当红灯亮起汽车禁止通行时，自行车可以右转或直行。
These models can be used as one step ahead predictors allowing comparison of signals for the purposes of fault detection and diagnosis.
这些模型可以被用来作为先行一步的预测进行比较的信号故障检测和诊断的目的。
And unless the sound is coming from directly ahead or behind (or directly above or below), it reaches one ear before the other, so there is a time lag between the two signals.
而且，除非声音直接来自正前方或正后方(或正上方与正下方)，否则会较早抵达其中一耳，因此两耳接收到讯息的时间会有些许差异。
And unless the sound is coming from directly ahead or behind (or directly above or below), it reaches one ear before the other, so there is a time lag between the two signals.
而且，除非声音直接来自正前方或正后方(或正上方与正下方)，否则会较早抵达其中一耳，因此两耳接收到讯息的时间会有些许差异。
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