斯潘说：“有锻炼总是比没有好。”但是将锻炼分配在两三天里会让你更有耐久力也给你身体恢复的时间。
"Something is always better than nothing," Spang said. But spreading your exercise out over two or three days allows you to build endurance and gives your body recovery time.
缺点：耐久性比乳胶枕和记忆泡沫差；支撑力不够；可能会很贵；可能会长尘螨
Disadvantages: Less dur-able than latex or memory foam; poor support; can be expensive; may harbour dust mites.
优点：比涤纶枕耐久，防尘螨，利于保持体温。
Advantages: Last longer than polyester; resistant to dust mites; help to regulate body temperature.
双面剃刀比可替换剃刀更耐久，同时你也省了钱。
A double edged razor will last a lot longer than disposable razors. You'll save money too.
另外，桥上的铁轨枕木将全部使用由消费/工业行业的塑料废料合成的可回收材料制作，Axion公司还宣称这种材料制作的枕木比传统的木焦油枕木的耐久性更好。
The railroad cross-ties will be made entirely of a plastic composed of recycled materials from both consumer and industrial plastic waste.
它也影响耐久性标准，使情况变得更糟比常见的单层或双层单元。
It also influences on wear level and make it worse than in common Single - or Double level cells.
我们现在的钨丝灯泡比老的碳丝灯泡好，钨丝灯泡更亮、更耐久。
Our tungsten lamps are better than the old carbon lamps. They are brighter and they last longer.
除了耐久性的需要，美国绿色建筑委员会的发言人艾希礼卡茨指出，零售环境需要更多的照明和安全系统，比一般的办公楼需要使用更多的能源和水。
In addition to the need for durability, USGBC spokeswoman Ashley Katz points out that retail environments need more lighting and security and use more energy and water than is common in offices.
我猜想，他内部的感觉——听觉、知觉、认知能力——比外部能力如移动发音更耐久。
I guessed that his inward senses — hearing, perception, cognition — were outlasting his outward skills such as moving and making sound.
室外涂装工程的最终耐久性-在相同情况下，薄漆膜比厚漆膜更易被侵蚀。
Outdoor durability of painting the final project - in the same case, the thin film is more easily eroded than the thickness of the film.
近几年的配合比研究大多侧重于混凝土的耐久性，忽略了成本因素。
Research of recent years pay more attention to the durability of concrete but neglected the cost factor.
使用现代混凝土技术工艺，通过科学选择混凝土组成材料与设计配合比，获得耐久性好、强度高的高性能混凝土。
Using modern concrete technology process and the composition of materials by scientific selection and design of concrete mix to obtain good durability, high strength, and high-performance concrete.
在良好的设计配合比和施工条件下，SBS沥青能使沥青路面的耐久性和高温稳定性、低温抗裂性明显提高。
At good design proportioning and construction, the SBS asphalt would make the durability, stability at high temperature, crack resistance at low temperature obtain distinct improvement.
分析了表面氯离子浓度、保护层厚度对耐久混凝土配合比的影响。
The influence of chloride concentration at concrete surface, depth of the concrete cover on mixture was analyzed.
沿海建筑物对混凝土和钢结构防腐耐久性提出很高要求，笔者从水泥品质上进行了比选，以提高砼内在质量；
Coastal structure demands rather high durability and antiseptic effect of concrete and steel. In order to improve concrete immanent performance, cement quality is properly chosen.
以杭州湾跨海大桥为背景，着重对海工耐久混凝土配合比进行了研究。
The mixture ratio of the under-seawater durable concrete is studied under the background of construction of the Bridge over the Hangzhou Bay.
亚麻比棉花坚韧，易干，暴露在阳光下的较耐久。
Linen is stronger than cotton, dries more quickly, and is more slowly affected by exposure to sunlight.
分析了粉煤灰品质和混凝土配合比等因素对HF CC力学和耐久性能的影响规律和作用机理。
The influencing rule and mechanism of fly ash quality and mixture proportions on the mechanical performance and the durability of HFCC are analyzed.
轮胎可以用现有设备制作，比生产钢丝加强轮胎成本要低，且耐久性好。
They are made on existing equipment so cost less than steel-reinforced tires, and they have outstanding durability.
轮胎可以用现有设备制作，比生产钢丝加强轮胎成本要低，且耐久性好。
They are made on existing equipment so cost less than steel-reinforced tires, and they have outstanding durability.
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