Mars is too faint and too low in the sky to be observable.

火星太暗，在空中位置太低，所以观测不到。

In contrast, high-frequency fluctuations such as seasonal temperature variations are observable and somewhat predictable, so that groups could have adapted their behaviors accordingly.

相反，诸如季节性温度变化等高频波动是可以观察到的，而且在某种程度上是可以预测的，因此群体可以相应地调整它们的行为。

Some archaeological sites have always been easily observable—for example, the Parthenon in Athens, Greece; the pyramids of Giza in Egypt; and the megaliths of Stonehenge in southern England.

一些考古遗址一直很容易被观察到——例如，希腊雅典的帕特农神庙、埃及吉萨的金字塔以及英格兰南部的巨石阵。

Similar trends are observable in mainland Europe.

类似的趋势在欧洲大陆也能见到。

It's not an externally observable characteristic unless you want to flaunt it.

除非你想炫耀它，否则它不是一个外在可见的特征。

From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.

从一端到另一端，银河系布满星星的圆盘横跨12万光年，可以用肉眼和光学望远镜观察到。

The planet Venus takes 243 earth-days to turn once on its axis, so incoming heat from the sun is added and distributed at a more leisurely, observable pace.

金星自转一周需要243个地球日，因此来自太阳的热量以更悠闲、更容易观察到的速度被吸收和分配。

This is easily observable in many female animals.

你很容易在许多雌性动物身上看到这一点。

It should yield an observable result or value for the actor.

它为参与者产生了一个看的见的结果或数据值。

We'll start with the basic observable component modeled in Figure 8.

我们可以开始于在图8建模的基本被观察组件。

Indeed, no number, no measurement, no observable in science is exact.

实际上，在科学上没有数字，没有测量，没有观察是精确的。

Negative consequences: The design has to have an observable, negative impact.

负面结果：设计必须有可以观察的、负面的效应。

Figure 8 shows the main components around the observable side of the framework.

图 8 显示了框架中 Observable 一边的主要组件。

In a very short span of time, there were major observable differences in results.

在很短的时间内，取得的成果显而易见，而且大大好于从前。

And it’s not an externally observable characteristic unless you want to flaunt it.

它并非一种从外表上就可以观察到的特征，除非你刻意标榜自己。

Two other factors that contributed to the disaster aren't observable in the image.

造成那场灾难的另外两个因素则无法从图中看出。

The number of galaxies cannot be counted—the observable universe alone may contain 100 billion.

星系的数量无法统计——可能仅可见宇宙就包含1000亿个星系。

Yesterday a partial solar eclipse took place, observable through most of Europe and northwestern Asia.

昨天，发生了日偏食，欧洲大部分地区及亚洲西北部地区可以观测到这一奇观。

There has also been an observable surge of such neglected commodities as creativity and true design.

像有创造性和合适的设计这样的被忽视的商品显著地增加。

Benchmarks may also have non-identically-distributed observable variables that may affect performance.

基准测试还可能有非恒等分布的可观察到的变量，它们也会影响性能。

And third, even within each individual, costs are not objective or observable by any external observer.

第三个方面，即使在个体的范围之内，成本也不是客观的，不是可以从外部观察到的。

In this case, if the update method is not supported, the observable could remove the observer from list.

在这种情况下，如果不支持update方法，被观察目标可以从列表中删除这个观察者。

Why, they say, should we base current policy on scenarios and computer programmes rather than observable facts?

他们说，我们为什么要依据设想和计算机程序而不是看得见的事实来制订现行政策呢？

It's possible that you could imagine universes bumping into each other and leaving traces, observable effects.

你可能可以想象不同的宇宙相互碰撞并留下痕迹和可观察的效应。

His large attempt was to find common ground between the observable natural world and the worlds of myths and mysticism.

他的大方向是寻找看得见的自然世界与神话及通灵世界的共同点。

The idea of reworking your code to improve its maintainability without changing its observable behavior is not new.

修改代码使其易于维护，要求不能修改程序可观察的行为，这个思想并不是全新的理念。

The results of a software application may be observable or measurable but the representation of systems is mental in nature.

我们可以看得见或者评测出软件应用程序的效果，不过其系统表现形式本质上却是思维的。

Physics progressed faster as the problem became predicting observable behavior, instead of reconciling it with scripture.

物理学的进步相当快，原因在于所提出的问题能够预见可观察的后果，而不是将观察结果与理论调和。

Secondly, some of the undoubted differences in performance observable at present look like the inverse of earlier differences.

第二，目前一些可观察到的在表现上毫无疑问的差异，看上去像早期差异的反转。