不同膨胀系数时施加脉冲的时刻不变，最优的燃料消耗与膨胀变化量成正比；
Second, the initial point and transfer time are same for different object relative orbit, and the minimum consumption of fuel is proportional to the expansion deflection.
这些“识字科技”的产品以不变背景的形式出现，并不需要特别的注意，但其传递的信息时刻准备为人们的一瞥之用。
The constant background presence of these products of "literacy technology" does not require active attention, but the information to be conveyed is ready for use at a glance.
不变的是，随着计算机网络服务质量日趋下降，业主们应当寻找能提供优先服务和运用多种网络途径来确保能够时刻提供服务的程序供应商。
Invariably, computer networks go down and business owners should look for providers that offer service priority and use multiple network paths to ensure the service is always available.
你真是多变的时代里固定不变的时刻。
You are really an ages changed much in fix the constant time.
流体流动的一种型式。在层流情况下在流动中的每一点处流体流动的方向在不同时刻都保持不变。
A type of fluid flow in which the direction of flow remains constant with time at each point in the flow.
在这里你将学到如何使身体的姿势保持不变，如何时刻知晓自己的高度，更重要的是掌握打开降落伞的时机。
They'll teach you how to keep your body position stable. You'll also learn to be constantly aware of your altitude and, most importantly, when to open your parachute.
显然，在丹尼尔·詹姆斯决定结束生命的那个特别的时刻，他肯定想到了未来日子每天一成不变的痛苦，一年，两年，三年……？
Clearly Daniel James was determined to end his life at that particular moment but would he have still felt the same way one year, two years, three years later?
每天创造一些短暂易逝的美好时刻，享受永远不变的真爱！
Create such short and fleeting moments everyday to enjoy everlasting love.
神是永远不变的。若我时刻定睛在祂身上，祂会帮助我，用赞美充满我的生命。
God is steadfast, and if I keep my eye on him, he will help me fill my days with praise.
人生并不是一成不变的，也没有人能一劳永逸，然而，每个时刻，每一天都是崭新的开始。
Life is an ever-changing process, and nothing is final. Therefore, each moment and every new day is a chance to begin anew.
人生并不是一成不变的，也没有人能一劳永逸，然而，每个时刻，每一天都是崭新的开始。
Life is an ever-changing process, and nothing is final. Therefore, each moment and every new day is a chance to begin anew.
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