1)从0开始,能数到4倍、8倍、50倍和100倍,给出任意数字都能数出前后的10个或者100个数字; 2)能够识别三位数中各个数字的位值,分清个位,十位和百位,并能比较和排列1000以内的数字等。 3)使用不同的表示方法识别和估计数字; 4)能够阅...
Equivalent Noise Level (A-Weighted) 17 dB SPL (as per IEC651) Maximum SPL 129 dB SPL Sensitivity -30.4 dB re. 1 Volt/Pascal (30mV @ 94dB SPL, 1kHz) Power Requirements 6.2mA @ 48V (Per Channel) Phantom Power Frequency Range 30 Hz - 20 kHz ±3dB // 20 Hz - 20 kHz ±4dB ...
Data type mapping occurs at table creation time, after which the original type specifications are discarded. If you create a table with types used by other vendors and then issue aDESCRIBEtbl_namestatement, MySQL reports the table structure using the equivalent MySQL types. For example: mysql>CRE...
■Current cost: In reference to assets, current cost is the amount of cash or cash equivalents that would have to be paid to buy the same or an equivalent asset today.# 当期买到等值资产所需付出的现金; In reference to liabilities, the current cost basis of measurement means theundiscountedamo...
Amazon Aurora converts the Serverless v1 cluster to a provisioned cluster with the equivalent engine version during the maintenance window. If applicable, Amazon Aurora will enroll the converted provisioned cluster in Amazon RDS Extended Support. For more information, seeAmazon RDS Extended Support wi...
GB/T 4854.1-2004声学 校准测听设备的基准零级 第1部分;压耳式耳机纯音基准等效阈声压级 Acoustics-Reference zero for the calibration of audiometric equipment-Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones GBT4854.1-2004, GB4854.1-2004...
Equivalent in C# of Asc & Chr functions of VB Equivalent of IllegalArgumentException in C# Error 1 Could not find file 'bin\Debug\MyApp.exe Error - Enumeration has either not started or has already finished. Error - Operator '==' cannot be applied to operands of t...
制定依据 •以引起听力损伤为主要依据 考国外相关标准 结合我国实际情况 国外的噪声卫生标准 •美国职业安全卫生署（OSHA）提出以85dB(A)为接触限值.接触时间减半，可以增加3dB(A)。其他一些国家噪声卫生标准•采用90dB(A)噪声卫生标准的国家有印度、爱尔兰等。•采用85dB(A)的噪声卫生标准的有澳大利亚、巴西...
If the text within the field-argument supplied for the \e switch is equivalent to the country that would be used when expanding this mail merge entry, then the country shall be excluded. The following strings MAY contain characters represented in the following way. U+ABCD shall represent t...
commands with equivalent functions. ● To enable CPS authentication, enter 2, press Enter, and enter the username and password of CPS_USERNAME as prompted. Default username: cps_admin Default password: See the default password of the cps_admin account on the "Type B (FusionSphere OpenStack)" ...