传统的高压钠灯配备的是电感式镇流器，其体积大，本身功耗大、功率因数低、调光困难等。
Traditional ballast components of inductance ballast has some disadvantages which include large volume, high self consumption, low power factor and difficult to adjust.
同样，海底地质认为，如果硫化物矿床是巨大的，并不需要其体积大，只需其不定型和其金属含量高。
Similarly, in the world of seabed geology, if a sulphide deposit is massive, it is not necessarily big, but formless and rich in metals.
而且由于其体积大，鲜有天敌，鲸鱼和其它大型海洋脊椎动物可以有效地吸收海水表层的碳，将其输出到深海。
And because of their size and few predators, whales and other big Marine vertebrates can efficiently export carbon from the surface waters to the deep sea.
目前国内外对磁轴承的研究多为直流式磁轴承，而直流开关功率放大器相对于交流逆变器来说其体积大、功耗大及成本高。
Because of the emphases research of magnetic bearing at home and abroad is DC active magnetic bearings (AMBs) at present, and the cost of DC power amplifiers is much higher than ac power converters.
世界上第一台电脑——近30吨埃涅阿克（1947年），使用了18000个电子管，另加1500个继电器以及其它器件，其总体积约90立方米，重达30吨，占地170平方米，需要用一间30多米长的大房间才能存放，是个地地道道的庞然大物。
The first general-purpose computer, the nearly 30-ton ENIAC (1947), contains 18,000 vacuum tubes, 70,000 resistors and 10,000 capacitors.
可一项新研究显示鸣鸟的骨头其实很结实，其密度也比相同体积的哺乳动物的大。
But a new study shows that songbirds' bones are actually pretty tough. In fact, they're more dense than the bones of mammals of the same size.
数字音乐播放器体积越来越小，但储存容量却大到足够人们下载其全部音乐收藏。
Digital music players got smaller in size but large enough for people to download their entire music collections.
其特点是体积小、重量轻、使用方便、过滤面积大、堵塞率低、过滤速度快、无污染、热稳定性及化学稳定性好。
Features: small volume, light, easy to use, broad filtering area, low block rate, high filtering speed, no pollution, good heat stability and chemical stability.
模拟式频率引导采用经典的晶体滤波器组，其数量大、成本高、重量体积大。
Analogue frequency leading USES classic crystal filter group, it has many shorts, such as a great deal components, high cost and large bulk.
传统声源定位系统主要基于传声器阵列定位技术，其缺点在于阵列体积大，覆盖范围较小，定位精度不高。
Traditional sound localization system is mainly based on microphone array localization technology, the drawback is the large size of array, limitation of coverage and low positioning accuracy.
其特点是体积小、重量轻、使用方便、过滤面积大、堵塞率低、过滤速度快、无污染、热稳定性及化学稳定性好。
Features: small volume, light, easy use, broad filtering area, low block rate, high filtering speed, no pollution, good heat stability and chemical stability.
分子量及体积大的分子对其水溶解度不利。
High molecular weight and large volume are detrimental to solubility.
通过对30例ATLS分析，显示肿瘤恶性程度高、临床分期晚、肿瘤体积大、白血病及恶性淋巴瘤为其高危因素。
Analysison 30 cases of ATLS showed that high malignant degree , advanced stage and bigger size of the tumor. leukemia and malignant lymphoma are high risk factors of ATLS.
目前，使用的大容量语音记录仪是基于PC机的，其设备体积大，成本高。
At present, the large capacity phonetic recording instrument is based on PC, whose cubage is large and cost is much.
鱼类胚胎由于其自身结构特征：体积大、含水量高、多室结构等，迄今超低温保存尚未成功。
Successful fish embryo cryopreservation has not been achieved due to its large volume, large content of water, complex multi-compartmental system, etc.
但由于土木工程结构个性化强、体积大，其损伤具有局部和微小等特点，导致土木工程结构的损伤识别更为困难、也更具挑战性。
But as civil engineering structures are often particular and bulky, and relevant damage can be local and mild, damage detection within civil structures is always both difficult and challenging.
重力坝主要依靠其自身的重力来维持稳定，其坝体体积大，稳定性好，但由于各种原因，仍有可能失事。
Gravity dam mainly relies on its own gravity to maintain the stability, with large volume, good stability, but for various reasons, it still may be breaked.
其操作方便，体积小，使用寿命长，安装和修改方便，且喷洒范围大。
The utility model has advantages of convenient operation, small volume, long service life, convenient installation and modification, and large spraying range.
它因为其大的晶型，单位体积只含有精盐一半的钠。
It has half the sodium of table salt, thanks to its large crystals.
伺服变量泵因为其构造紧凑、体积小、刚性大、响应速度快等优点，广泛用于各种工业场合。
Servo variable displacement pump because of its compact structure, small size, rigidity, fast response, etc., are widely used in various industrial applications.
它结构紧凑、体积小、重量轻，易于携带，其输出扭矩大，有利于提高维修效率。
The utility model has the advantages of compact structure, small size, light weight, easy carrying, and large output torque which is beneficial for improving the efficiency of maintenance.
它结构紧凑、体积小、重量轻，易于携带，其输出扭矩大，有利于提高维修效率。
The utility model has the advantages of compact structure, small size, light weight, easy carrying, and large output torque which is beneficial for improving the efficiency of maintenance.
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