恒定的

The research on the energy needs of the canines is often a research of the basic metabolizing rate.

对于犬的能量需要研究一般是研究基础代谢率，近年来研究能量需要较多，比如热量测定法或保持体重恒定法。

The ostia of these cells were constant and did not connect each other, their locations at the tristar of grooves were fixed relatively.

它们的开口恒定且互不相通，在星状裂所处位置相对固定。

Export pipeline on a one-way valve is used to prevent fluid return, back-pressure valve for the metering pump to maintain a constant pressure on exports.

出口管道上的单向阀用于防止液体回流，背压阀用于保持计量泵出口有一恒定压力。

Experimentally determined per prEN ISO 1716:1998, at constant volume in a bomb calorimeter.

根据prEN ISO 1716：1998，通过在爆炸量热器中的恒定容量来计算

With a constant cross-section of the single-port ring, installed in the ring ditch as Collar or the roller bearing cage maintained.

具有恒定截面的单口环，装在环形沟里作为挡圈将滚子或保持架保持在轴承内。

2The density of human teeth is approximately among 1.20-1.40+103kg/m3. The density of crown is higher than that of root with significant difference.

人类牙的密度值恒定在一定范围之内，约在1.20～1.40×10~3kg／m~3之间，且牙冠密度值明显大于牙根密度值。

An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction.

定日镜一种仪器，装有一面会自动调控的镜子，以便不断朝某一恒定方向反射日光。

The research results show as follows: if the gas pressure is fixed, the seepage velocity of briquets drops at first and rises later with increasing axial stress, and increases after peak stress.

研究结果表明：恒定瓦斯压力时，在某一围压下，峰前渗流速度随轴向应力先减小后缓慢增大，到达峰值应力后，随轴向应力的减小而增大。

Results Positive selected codons were different in groups corresponding different periods.

结论分析结果提示流感病毒HA1序列在进化过程中的正向选择位点并非恒定，而是在不同年代中存在更替趋势。

The paper has studied the characteristic and reason for flood in cities in tidal river area, and then has summed up the assignments faced with and existent problems in the area. Considering the question of flood prevention of cities in terms of the characteristic of water system and difference drainage basin surface, the area is divided in to coteau and campagna.

根据下垫面的不同及水系特点，将研究区域分成山区和平原区，平原区再细分为水面、水田、旱地、城镇四类，分别采用不同的产汇流方法进行计算，再运用河网非恒定流方法计算河道断面洪水要素。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。