As it happens, a wide range of scientific studies support the idea that sleep is necessary for helping to "consolidate" memory, or at least certain types of memory.
如果是这样的话，大量的科学研究(结果)支持“睡眠有助于‘巩固’记忆”这个观点，至少是某种特定的记忆。
At the present time, the range of the free judgment power in tobacco monopolization administration sanction is relatively wide, which is reasonable in certain degree.
目前，烟草专卖行政处罚自由裁量权运用的范围比较广泛，这在一定程度上有其合理性。
Experimental and analytical results show that the system can be used to study the friction drag of the vehicle models at certain speed range, which full-fills the design demand.
试验和分析结果表明，该系统在一定的速度范围内可以有效地测试航行器模型所受摩擦阻力，满足了设计要求。
The objective of this article is mostly using characteristic of Shape Memory Alloy (SMA) to control the thermal deformation of antenna at orbit, ensuring the precision of antenna in a certain range.
本文的主要目的是利用形状记忆合金的特性控制在轨天线的热变形，以此来保证天线的精度在一定的范围之内。
The theoretical analysis and experiment show this new scheme is effect at certain frequency range.
分析与实验表明，这种方案在一定的运行频率段是行之有效的。
Features: temperature coefficient of capacitance at a certain temperature range is small and similar to polycarbonate. Low loss at high frequency. Small size. light weight. High insulation.
特点：在一定温度范围内电容量温度系数小，接近于聚碳酸脂介质，高频损耗小，体积小，重量轻，绝缘电。
The experiments are carried out at different filling ratios and pressures. The theoretical calculations agree with the experimental results in a certain range of temperature differences.
在不同充液量和不同压力下进行了实验，实验结果在一定的温差范围内与理论分析值符合较好。
For RF PA, always require it can output a certain power within a range of frequency, at the same time meeting the system nonlinear requirements and have high conversion efficiency.
射频功率放大器总是要求在一定频率范围内输出一定的功率，同时满足系统的线性度和高效率要求。
The specification required the fuse to open at a certain percentage over its nominal rating within a certain number of milliseconds over a range of temperatures, as well as after shock and vibrations.
说明书要求保险丝在超过正常温度、振动和摆动指标的某个百分比后几毫秒内断开。
The results say: small glaciers ELAhc vary widely in glacier system, but with the enlarging of glacier size, the ELAh, will be fixed at a certain narrow range, where climate snow line was involved;
结果表明：冰川系统中，当冰川规模不低于某极限面积时，其平衡线高度会趋近到导出雪线高度。
At the same time, it controls the linear velocity of rewinding, making linear velocity in a certain range, not only ensure job security, but also ensure the smooth rewinding materials.
同时控制住复卷时的线速度，使线速度在一个特定范围内，既保证工作安全，又保证材料顺利复卷。
The inclined Angle of the folding reclining chair can be adjusted within a certain range at will, and the rear chair legs can be heightened.
本实用新型在一定范围内能任意调节倾斜角度，后椅脚能加高。
The inclined Angle of the folding reclining chair can be adjusted within a certain range at will, and the rear chair legs can be heightened.
本实用新型在一定范围内能任意调节倾斜角度，后椅脚能加高。
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