查询词典 db

Its website provides the introduction of this center, information of achivements, research areas, resources of genetics, related news, databases (includes GenBank Nucleotide Sequence db, DNA Data Bank of Japan, Genome Sequence db, Homologous Vertebrate Genes db, Immunogenetics db and so on).

网站提供该中心介绍，成果信息，研究领域，遗传学资源，相关新闻，数据库（包括基因银行核苷序列数据库，日本DNA资料库银行，染色体序列数据库，同源脊椎动物基因数据库，免疫遗传学数据库等等）。

LT3468ES5-1 Pinout: 8-bit Resolution 1 Gsps Sampling Rate ADC Gain Adjust 2 GHz Full Power Input Bandwidth Fs = 1 Gsps, Fin = 20 MHz: C SINAD = 45 dB (7.4 Effective Bits) SFDR = 58 dBc Fs = 1 Gsps, Fin = 500 MHz: C SINAD = 44 dB (7.2 Effective Bits) SFDR = 56 dBc Fs = 1 Gsps, Fin = 1000 MHz (-3 dB Fs): C SINAD = 42 dB (7.0 Effective Bits) SFDR = 52 dBc 2 Tone IMD:-53 dBc (489 MHz and 490 MHz) at 1 Gsps DNL = 0.3 LSB INL = 0.7 LSB Low Bit Error Rate (10-13) at 1 Gsps Very Low Input Capacitance: 0.4 pF 500 mVpp Differential or Single-ended Analog Inputs Differential or Single-ended 50 ECL Compatible Clock Inputs ECL or LVDS/HSTL Output Compatibility Data Ready Output with Asynchronous Reset Gray or Binary Selectable Output Data; NRZ Output Mode Power Consumption: 3.4 W at TJ = 90 C Dual Power Supply: 5 V Radiation Tolerance Oriented Design 150 Krad (Si Measured

LT3468ES5-1引脚说明： 8位分辨率1 GSPS的采样速率ADC的增益调整2 GHz的全功率输入带宽= 1 GSPS的二恶英，翅= 20兆赫中：C的SINAD = 45分贝（7.4有效位）的SFDR = 58 dBc的二恶英= 1 GSP的，财务= 500兆赫中：C的SINAD = 44分贝（7.2有效位）的SFDR = 56 = 1 GSPS的dBc的外勤人员，财务= 1000兆赫（-3分贝财经事务）中：C的SINAD = 42分贝（7.0有效位）的SFDR = 52 dBc的2声调发展学院：-53 dBc的（489兆赫和1 GSPS的的DNL = 0.3的LSB的INL = 0.7 LSB的低误码率（10-13）在1 GSPS的非常低输入电容：0.4 pF的490兆赫）500 mVpp的差分或单端模拟输入差分或单端50Ω的ECL兼容的时钟输入的ECL或LVDS / HSTL输出兼容性数据与异步复位灰色或二进制可选的输出数据就绪输出； NRZ码输出模式下的功耗：3.4 W于温度Tj = 90 C双电源：5伏辐射性导向设计

A fiber grating is used for output of resonant cavity with 60% reflectivity. Its 3 dB-bandwidth is measured as 0.16 nm.

反射率为60%的光纤光栅用作光纤激光器谐振腔的输出，3 dB带宽为0.16 nm。

After the implementation of the RTOS VxWorks, it succeeded completing the porting of embedded Web Server GoAhead and embedded database Berkeley DB.

在嵌入式操作系统成功实现后，完成了嵌入式Web服务器GoAhead和嵌入式数据库Berkeley DB的移植。

Using table 15.3 and the gradings of the available coarse and fine aggregates determine the corresponding grading moduli, Ga and Gb respectively, and the equivalent mean diameter Db of the fine aggregate.

6用表 15.3 和适当的粗细集料级配分别确定相应的级配模量 Ga 和 Gb 和细集料的当量平均粒径 Db。

There is also a DB-25 output terminal if you ever were to upgrade to an external multichannel amplifier.

还有的DB - 25输出端如果您是升级到一个外部多通道放大器。

At that time, the measuring instruments called spectrophotometers had a rather limited sensitivity in the range of 43 dB/km.

那时，一种称为分光光度计的测试仪器灵敏度相当有限--在43 dB/km 左右。

Specifically, you cannot use the definition directives DB, DW, DD, DQ, DT, and DF, or the operators DUP or THIS.

具体得说，你不能使用DB、DW、DD、DQ、DT、DF这些伪指令，也不能使用DUP、THIS这些操作符。

Its typical gain, in the UHF range, is about 33 dB.

它的典型的增益，在超高频范围，是大约33 dB。

Next week a court in Lower Saxony will deliberate on the cancellation of another DB Regio contract, to run trains around Bremen .

下周位于下萨克森的一个法庭将商讨取消另一个合同，是关于DB Regio想要在不来梅附近运营铁路。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。