1.
Make that "energetically less costly," in science-speak.
用科学术语来说，直立行走能“节省能量”。
2.
Energy Efficient Routing Protocols in Ad hoc Networks;
节省能量的Ad hoc网络路由协议研究
3.
Migrating geese fly in a V formation to save energy.
迁移中的大雁群成v字队形飞是为了节省能量。
4.
Migrating wild geese fly in a V formation to save energy.
迁徙中的大雁群成V字队形飞是为了节省能量。
5.
An energy-efficient framework and protocol for underwater acoustic sensor networks
一种节省能量的水声传感器网络组织结构与协议
6.
They scrimped on oil as best they could during the energy crisis.
他们在能源危机时期尽量节省汽油。
7.
KUKEN variable closed-loop control piston is introduced, saving 40%-50% energy.
采用油研公司的闭环控制栓塞变量泵，省电40%-50%，节省能耗。
8.
For far-ranging foragers, however, cost-effective walking saves many calories in maintenance energy needs- calories that can instead go toward reproduction.
而对长距离觅食者而言，有效率的走路模式节省维持能量的需求，省下的能量可以用在生殖上。
9.
Machinery dispenses with much labour.
机器节省了大量劳动力。
10.
Spare when you are young, and spend when you are old .
年少能节省，老来有钱用。
11.
It would be a big saving to walk [if we walked].
走路大可节省 (能源) 。
12.
Designed to conserve human energy in performing work or to decrease the amount of human labor needed.
节省劳力的设计用来在工作时保持人体能量或减轻劳动强度的
13.
En route you save time by maintaining full speed even at rush-hour traffic volumes.
即使是在车流量最大的高峰时段，也能一路全速行驶，从而节省时间。
14.
B、Appling dual cylinder to drive,which reaches the high-tonnage cutting force and saves the energy.
采用双油缸驱动。达到高吨位裁断力量，节省能源消耗。
15.
B、Appling dual cylinder to receive .which reaches the high-tonnage cutting forceand saves the energy.
采用双油缸驱动，达到高吨裁断力量，节省能源消耗。
16.
It is good to remember that the explicit use of energy conservation can often save mathematical labor by eliminating one integration.
直接应用能量守恒可以减少一次积分，这就常常能节省数学运算，记住这一点是有用的。
17.
A Research of Power-Saving Mechanism Based on Protecting Low-Remain Energy Nodes;
基于保护低能量节点的节能机制研究
18.
The efficient use of energy is a practical, economically sensible step.
善用能源既可保护环境，也能节省金钱。